after

applicationId

count

entityId

superTopicQueueName

topicPageQuery

hooksTopicWidgetQuery

topic

appConfig

filter

entityUuid

advertZone

sponsor

name

urlAlias

hooksTopic

topicDescriptionTopic

topicHeaderTopic

topicRestContentsTopic

topicSeoTopic

topicTopContentsTopic

topicTopicPageTopic

queue

items

query topicPageQuery(
  $after: String
  $applicationId: String!
  $count: Int = 28
  $entityId: String!
  $superTopicQueueName: String!
) {
  ...hooksTopicWidgetQuery_49mQWb
  topic(filter: {entityId: $entityId}) {
    entityId
    entityUuid
    advertZone(version: 2)
    sponsor {
      name
      id
    }
    name
    urlAlias
    ...hooksTopic
    ...topicDescriptionTopic
    ...topicHeaderTopic
    ...topicRestContentsTopic
    ...topicSeoTopic
    ...topicTopContentsTopic
    ...topicTopicPageTopic_1RYlfy
    id
  }
  superTopicQueue: queue(filter: {name: $superTopicQueueName}) {
    items(first: 10) {
      edges {
        node {
          __typename
          ... on Content {
            __isContent: __typename
            entityUuid
            ...helpersCheckIsPlusArticle
            ...homeSecondaryContentItemContent
            ...sectionTopLeadPrimaryContentItemContent
            ...topStoriesItemContent
          }
          ... on Node {
            __isNode: __typename
            id
          }
        }
      }
    }
    id
  }
}

fragment articleCommentArticle on Article {
  ...entityLink
  commentCount
  entityId
}

fragment blockquoteQuoteContent on Content {
  __isContent: __typename
  ...contentShareWidgetContent
}

fragment checkersCheckContentContainsStarlingImageContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment contentActionBarContent on Content {
  __isContent: __typename
  entityId
  createdDate
  updatedDate
  publishedDate
  readingTime
  ...articleCommentArticle
  ...helpersIsArticleVideoAsHeroArticle
  ...helpersGetContentTypeNameContent
  ... on Article {
    hasVideoContent
  }
}

fragment contentCoverImageContent_1tYcF5 on Content {
  __isContent: __typename
  headline
  images {
    url
    title
    type
    size1200x800: style(filter: {style: "1200x800"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
  ... on Article {
    leadingSlides {
      url
      title
      type
      size1200x800: style(filter: {style: "1200x800"}) {
        url
      }
      size540x360: style(filter: {style: "540x360"}) {
        url
      }
    }
  }
}

fragment contentCoverImageContent_34Njms on Content {
  __isContent: __typename
  headline
  images {
    url
    title
    type
    landscape250x99: style(filter: {style: "landscape_250_99"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
}

fragment contentCoverImageContent_4Kx38 on Content {
  __isContent: __typename
  headline
  images {
    url
    title
    type
    size1200x800: style(filter: {style: "1200x800"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
}

fragment contentHeadlineContent on Content {
  __isContent: __typename
  headline
  socialHeadline
  ...contentHeadlineTagContent
  ...helpersUseContentSponsorContent
}

fragment contentHeadlineTagContent on Content {
  __isContent: __typename
  ...hooksContentHeadlineTagContent
}

fragment contentLiveTagContent on Article {
  ...helpersCheckHasLiveTagArticle
}

fragment contentNewsletterWidgetContent on Content {
  __isContent: __typename
  topics {
    relatedNewsletters {
      ...helpersMassageToNewsletterItemNewsletter
      id
    }
    id
  }
  sectionsV2 {
    value {
      __typename
      ... on Section {
        relatedNewsletters {
          ...helpersMassageToNewsletterItemNewsletter
          id
        }
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
  ... on Article {
    relatedNewsletters {
      ...helpersMassageToNewsletterItemNewsletter
      id
    }
  }
}

fragment contentSchemaRenderContent on Content {
  __isContent: __typename
  ...blockquoteQuoteContent
  ...hooksInlinePlusWidgetContent
  ...imageContent
  ...inlineWidgetContent
  ...photoGalleryWidgetContent
  ...scmpYoutubeContent
}

fragment contentSectionsContent on Content {
  __isContent: __typename
  sectionsV2 {
    value {
      __typename
      ... on Section {
        name
      }
      ... on VideoSection {
        name
      }
      ...helpersCheckIfNewsSectionInFirstIndexSection
      ...entityLink
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}

fragment contentSeriesShortLabelContent on Content {
  __isContent: __typename
  ... on Article {
    seriesShortLabel
    ...entityLink
    seriesContainer {
      ...entityLink
      seriesShortLabel
      id
    }
  }
}

fragment contentShareWidgetContent on Content {
  __isContent: __typename
  __typename
  entityId
  urlAlias
  shortUrl
  socialHeadline
  headline
  ... on Video {
    youtubeId
  }
}

fragment contentSponsorTagContent on Content {
  __isContent: __typename
  ...helpersUseContentSponsorContent
}

fragment contentSubHeadlineContent on Content {
  __isContent: __typename
  subHeadline {
    json
  }
  summary {
    json
  }
  ...contentSchemaRenderContent
}

fragment contentSummaryContent on Content {
  __isContent: __typename
  __typename
  summary {
    text
  }
}

fragment contentTopicLinkContent on Content {
  __isContent: __typename
  topics {
    urlAlias
    ...entityLink
    ...topicLinkTopic
    id
  }
}

fragment entityFollowButtonBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  ... on Section {
    entityId
    name
  }
  ... on Author {
    entityId
    name
    disableFollow
  }
  ... on Topic {
    entityId
    name
    disableFollow
  }
}

fragment entityLink on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  entityId
  entityUuid
  urlAlias
  urlRedirect {
    toUrl
    id
  }
  application {
    entityId
    id
  }
  ... on Section {
    fullSectionPath {
      entityId
      id
    }
    parentSection
  }
  ...helpersAppBarVariantBase
  ...helpersApplicationBase
  ...helpersCheckIsPlusArticle
  ...helpersStyleSectionContent
}

fragment followButtonBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...entityFollowButtonBase
  entityId
}

fragment helpersAppBarVariantBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...helpersCheckIsLiveArticle
  ...helpersCheckIsPlusPage
  ...helpersCheckIsPostMagazineArticle
  ...helpersCheckIsStyleArticle
  ...helpersSectionContent
  ...helpersStyleSectionContent
}

fragment helpersApplicationBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...helpersCheckIsPlusPage
}

fragment helpersCheckHasLiveTagArticle on Article {
  flattenTypeIds
  liveArticle {
    status
    id
  }
}

fragment helpersCheckHasSeriesShortLabelContent on Content {
  __isContent: __typename
  ... on Article {
    seriesShortLabel
    seriesContainer {
      seriesShortLabel
      id
    }
  }
}

fragment helpersCheckIfNewsSectionInFirstIndexSection on SectionUnion {
  __isSectionUnion: __typename
  ... on Section {
    name
  }
  ... on VideoSection {
    name
  }
}

fragment helpersCheckIsLiveArticle on Article {
  flattenTypeIds
  liveArticle {
    status
    id
  }
}

fragment helpersCheckIsMainTopicContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment helpersCheckIsPlusArticle on Content {
  __isContent: __typename
  ... on Article {
    paywallTypes {
      entityUuid
      id
    }
  }
}

fragment helpersCheckIsPlusPage on Page {
  urlAlias
}

fragment helpersCheckIsPostMagazineArticle on Content {
  __isContent: __typename
  sectionsV2 {
    value {
      __typename
      ... on Section {
        entityId
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}

fragment helpersCheckIsStyleArticle on Content {
  __isContent: __typename
  sectionsV2 {
    value {
      __typename
      ... on Section {
        entityId
      }
      ... on VideoSection {
        entityId
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}

fragment helpersGetArticleTypeNameArticle on Article {
  types {
    value {
      entityId
      id
    }
  }
}

fragment helpersGetContentTypeNameContent on Content {
  __isContent: __typename
  __typename
  ... on Article {
    ...helpersGetArticleTypeNameArticle
  }
}

fragment helpersIsArticleVideoAsHeroArticle on Article {
  multimediaEmbed {
    json
  }
}

fragment helpersMassageToNewsletterItemNewsletter on Newsletter {
  entityId
  name
  alternativeName
  description {
    text
  }
  summary {
    text
  }
  homepageDescription {
    text
  }
}

fragment helpersSanitizeArticleTypeEntityIdsArticle on Article {
  types {
    value {
      entityId
      id
    }
  }
}

fragment helpersSanitizeAuthorTypesArticle on Article {
  authors {
    types
    id
  }
}

fragment helpersSanitizedAuthorEntityIdsArticle on Article {
  authors {
    entityId
    id
  }
}

fragment helpersSectionContent on Section {
  fullSectionPath {
    entityId
    id
  }
}

fragment helpersStyleSectionContent on Section {
  fullSectionPath {
    entityId
    id
  }
}

fragment helpersUseContentSponsorContent on Content {
  __isContent: __typename
  topics {
    entityId
    sponsor {
      ...sponsorTagSponsor
      name
      type
      id
    }
    id
  }
  ... on Article {
    sponsorType
  }
  ...helpersCheckIsMainTopicContent
}

fragment homePrimaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  ...entityLink
  ...helpersCheckIsPlusArticle
  ...helpersCheckHasLiveTagArticle
  ...helpersCheckHasSeriesShortLabelContent
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_3LgACx
}

fragment homeSecondaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  ...entityLink
  ...helpersCheckIsPlusArticle
  ...helpersCheckHasLiveTagArticle
  ...helpersCheckHasSeriesShortLabelContent
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_1uhIyn
}

fragment hooksContentHeadlineTagContent on Content {
  __isContent: __typename
  __typename
  ... on Article {
    types {
      value {
        name
        entityId
        description {
          text
        }
        id
      }
    }
    ...helpersCheckIsStyleArticle
  }
  flag
  sectionsV2 {
    value {
      __typename
      ... on Section {
        name
      }
      ... on VideoSection {
        name
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
  ...hooksContentHelperContent
}

fragment hooksContentHelperContent on Content {
  __isContent: __typename
  ...helpersSanitizeArticleTypeEntityIdsArticle
  ...helpersSanitizeAuthorTypesArticle
  ...helpersSanitizedAuthorEntityIdsArticle
  flag
}

fragment hooksContentItemProvidersContent_1uhIyn on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentCoverImageContent_4Kx38
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSubHeadlineContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ...contentSeriesShortLabelContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
  ... on Gallery {
    __typename
  }
}

fragment hooksContentItemProvidersContent_2gnGW2 on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSubHeadlineContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
  ... on Gallery {
    __typename
  }
}

fragment hooksContentItemProvidersContent_3LgACx on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentCoverImageContent_1tYcF5
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ...contentSeriesShortLabelContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
  ... on Gallery {
    __typename
  }
}

fragment hooksInlinePlusWidgetContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment hooksTopic on Topic {
  types
  sponsor {
    __typename
    id
  }
}

fragment hooksTopicWidgetQuery_49mQWb on Query {
  topic(filter: {entityId: $entityId}) {
    entityId
    ...hooksTopic
    ...topicAdsTopic
    ...topicMetadataDisplayTopic
    id
  }
  appConfig(filter: {entityId: "scmp_pwa_settings"}) {
    json
  }
  advertConfig: appConfig(filter: {entityId: "scmp_pwa_advert_campaign"}) {
    json
  }
}

fragment hooksUseDeepLinkTagsBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  urlAlias
  entityId
}

fragment hooksUseDynamicMetaTags on DynamicMetaTags {
  __isDynamicMetaTags: __typename
  metatags {
    key
    value
  }
}

fragment imageContent on Content {
  __isContent: __typename
  headline
  ...checkersCheckContentContainsStarlingImageContent
}

fragment inlineWidgetContent on Content {
  __isContent: __typename
  ...contentNewsletterWidgetContent
}

fragment photoGalleryDialogContent on Content {
  __isContent: __typename
  __typename
  ...contentShareWidgetContent
}

fragment photoGalleryWidgetContent on Content {
  __isContent: __typename
  ...photoGalleryDialogContent
}

fragment scmpYoutubeContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  publishedDate
}

fragment sectionTopLeadPrimaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  topics {
    ...followButtonBase
    id
  }
  ...entityLink
  ...contentCoverImageContent_34Njms
  ...helpersCheckIsPlusArticle
  ...helpersCheckHasLiveTagArticle
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_2gnGW2
}

fragment sponsorTagSponsor on Sponsor {
  name
  type
  images {
    url
  }
}

fragment topStoriesItemContent on Content {
  __isContent: __typename
  ...homePrimaryContentItemContent
  ...homeSecondaryContentItemContent
  ...helpersUseContentSponsorContent
}

fragment topicAdsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicDescriptionTopic on Topic {
  ...topicHeaderRelatedLinksTopic
  ...entityFollowButtonBase
  ...hooksTopic
  ...topicMetadataDisplayTopic
  extraMetadata {
    __typename
  }
  ...entityLink
  mobileImage: image(type: MOBILE_APP_IMAGE) {
    style(filter: {style: "300x300"}) {
      url
    }
  }
  name
  description {
    text
  }
  chineseName
  sponsor {
    __typename
    id
  }
}

fragment topicHeaderRelatedLinksTopic on Topic {
  ...hooksTopic
  relatedLink {
    title
    url
  }
  relatedTopics {
    name
    urlAlias
    id
  }
}

fragment topicHeaderTopic on Topic {
  ...topicHeaderRelatedLinksTopic
  ...entityFollowButtonBase
  ...hooksTopic
  ...entityLink
  mobileImage: image(type: MOBILE_APP_IMAGE) {
    style(filter: {style: "300x300"}) {
      url
    }
  }
  name
  chineseName
  sponsor {
    ...sponsorTagSponsor
    id
  }
}

fragment topicLinkTopic on Topic {
  ...entityLink
  name
  shortName
}

fragment topicMetadataDisplayTopic on Topic {
  ...hooksTopic
  extraMetadata {
    key
    value
    topic {
      name
      ...entityLink
      types
      urlAlias
      mobileImage: image(type: MOBILE_APP_IMAGE) {
        style(filter: {style: "300x300"}) {
          url
        }
      }
      id
    }
  }
  additionalMetadata {
    propertyType
    logo {
      title
      url
    }
    properties {
      key
      value
    }
  }
}

fragment topicRestContentsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicSeoTopic on Topic {
  name
  description {
    text
  }
  entityId
  urlAlias
  metaDescription
  image(type: OG) {
    url
  }
  ...hooksUseDeepLinkTagsBase
  ...hooksUseDynamicMetaTags
}

fragment topicTopContentsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicTopicPageTopic_1RYlfy on Topic {
  contents(after: $after, first: $count, filter: {applicationIds: [$applicationId]}, orderBy: {field: PUBLISHED_DATE, direction: DESC}) {
    edges {
      node {
        __typename
        __isContent: __typename
        entityUuid
        ...homeSecondaryContentItemContent
        ...sectionTopLeadPrimaryContentItemContent
        ...topStoriesItemContent
        id
      }
      cursor
    }
    pageInfo {
      endCursor
      hasNextPage
    }
  }
  id
}

fragment videoDurationOverlayVideo on Video {
  duration
  sectionsV2 {
    value {
      __typename
      ... on VideoSection {
        entityId
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}


types

extraMetadata

additionalMetadata

relatedLink

relatedTopics

image

description

chineseName

metaDescription

json

Hong Kong

Asia

People and Culture

Health & Environment

This Week in Asia

Economy

Tech

China

World

Business

Lifestyle

Sport

Hong Kong to revamp senior secondary science and maths curriculum from 2029-30

Authorities aim to encourage more students to take science subjects at the senior secondary level.


Record non-DSE admissions to Hong Kong’s universities spark calls for quotas

Number of non-DSE students in Hong Kong public universities surges 63 per cent, while local exam-takers fall to 72 per cent of intake.


73 public schools join new scheme to hire native English-speaking teachers

Hong Kong Education Bureau’s new scheme offers lower salaries but higher recruitment flexibility.


Will allowing more Hong Kong schools to teach in English be too testing for pupils?

After decades of debate, authorities and schools sector say time is right to adjust the language policy but some argue move is mainly political.


Hong Kong may allow more pupils to use English in lessons, education chief says

Secretary for Education Christine Choi says more flexibility is possible.


To be an education hub, Hong Kong must first do better by its children

Policy failures have already caused a drop in English proficiency and a reading crisis. Officials must tread carefully with new AI plans.


Hong Kong authorities to review medium of instruction in schools after major study

Industry body urges government to allow more secondary schools to teach in English to better prepare pupils for higher education.


Hong Kong educators call for non-local admissions amid decline in Form One classes

Drop from 1,502 to 1,487 classes in past academic year prompts warnings of school closures from education leaders.


Hong Kong school fair with mainland China focus set to attract 50,000 visitors

Fair in late November at AsiaWorld-Expo is expected to have 300 institutions taking part.


Policy address 2025: Hong Kong to add more foreign students to semi-private schools

Education Bureau to launch trial scheme allowing Direct Subsidy Scheme schools to expand intake of non-local pupils on student visas.


170 Hong Kong schools to offer extra languages under HK$250,000 subsidy scheme

Japanese proving popular option among publicly funded secondary schools, with sector veteran citing language’s similarities to Chinese.


Why are more non-day school candidates achieving top scores in Hong Kong’s DSE?

Analysis by the Post shows number of candidates outside regular school route achieving Level 5** rose sharply in 2025.


The latest news and top stories on Lee Yi-ying, Chairwoman of the Hong Kong Subsidised Secondary Schools Council. She leads the council, representing subsidised secondary schools, promoting their rights, independence and welfare, and liaising with government bodies on education policy.


Lee Yi-ying

Lee Yi-ying

(李伊瑩)

Hong Kong to revamp senior secondary science and maths curriculum from 2029-30

Authorities aim to encourage more students to take science subjects at the senior secondary level.

Record non-DSE admissions to Hong Kong’s universities spark calls for quotas

73 public schools join new scheme to hire native English-speaking teachers

Will allowing more Hong Kong schools to use English be too testing for pupils?

After decades of debate, authorities and schools sector say time is right to adjust the language policy but some argue move is mainly political.

Hong Kong may allow more pupils to use English in lessons, education chief says

Secretary for Education Christine Choi says more flexibility is possible.

Opinion | Hong Kong’s children are paying the price for policy gaps in education

Policy failures have already caused a drop in English proficiency and a reading crisis. Officials must tread carefully with new AI plans.

Exclusive | Hong Kong authorities to review schools’ medium of instruction after major study

Industry body urges government to allow more secondary schools to teach in English to better prepare pupils for higher education.

Hong Kong educators call for non-local admissions amid decline in Form One classes

Drop from 1,502 to 1,487 classes in past academic year prompts warnings of school closures from education leaders.

Hong Kong school fair with mainland China focus set to attract 50,000 visitors

Fair in late November at AsiaWorld-Expo is expected to have 300 institutions taking part.

Policy address 2025: Hong Kong to add more foreign students to semi-private schools

Education Bureau to launch trial scheme allowing Direct Subsidy Scheme schools to expand intake of non-local pupils on student visas.

Exclusive | 170 Hong Kong schools to offer extra languages under HK$250,000 subsidy scheme

Japanese proving popular option among publicly funded secondary schools, with sector veteran citing language’s similarities to Chinese.

Why are more non-day school candidates achieving top scores in Hong Kong’s DSE?

Analysis by the Post shows number of candidates outside regular school route achieving Level 5** rose sharply in 2025.

Lee Yi-ying

(李伊瑩)

Hong Kong to revamp senior secondary science and maths curriculum from 2029-30

Authorities aim to encourage more students to take science subjects at the senior secondary level.

Record non-DSE admissions to Hong Kong’s universities spark calls for quotas

73 public schools join new scheme to hire native English-speaking teachers

Will allowing more Hong Kong schools to use English be too testing for pupils?

After decades of debate, authorities and schools sector say time is right to adjust the language policy but some argue move is mainly political.

Hong Kong may allow more pupils to use English in lessons, education chief says

Secretary for Education Christine Choi says more flexibility is possible.

.css-1pcrwvc{color:#2aa191;}Opinion | Hong Kong’s children are paying the price for policy gaps in education

Policy failures have already caused a drop in English proficiency and a reading crisis. Officials must tread carefully with new AI plans.

.css-1f6sr3w{color:#727272;}Exclusive | Hong Kong authorities to review schools’ medium of instruction after major study

Industry body urges government to allow more secondary schools to teach in English to better prepare pupils for higher education.

Hong Kong educators call for non-local admissions amid decline in Form One classes

Drop from 1,502 to 1,487 classes in past academic year prompts warnings of school closures from education leaders.

Hong Kong school fair with mainland China focus set to attract 50,000 visitors

Fair in late November at AsiaWorld-Expo is expected to have 300 institutions taking part.

Policy address 2025: Hong Kong to add more foreign students to semi-private schools

Education Bureau to launch trial scheme allowing Direct Subsidy Scheme schools to expand intake of non-local pupils on student visas.

Exclusive | 170 Hong Kong schools to offer extra languages under HK$250,000 subsidy scheme

Japanese proving popular option among publicly funded secondary schools, with sector veteran citing language’s similarities to Chinese.

Why are more non-day school candidates achieving top scores in Hong Kong’s DSE?

Analysis by the Post shows number of candidates outside regular school route achieving Level 5** rose sharply in 2025.

Opinion | Hong Kong’s children are paying the price for policy gaps in education

Exclusive | Hong Kong authorities to review schools’ medium of instruction after major study