Aligned with EDB Digital Education Blueprint & "AI in Learning & Teaching" Policy · Circular No. 221/2025
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covers Teach, Learn, Assess, and Track — an integrated AI teaching platform built around Chinese, English, Putonghua, and Maths and extending to Physics, Chemistry, Biology, Science, ICT, and Humanities across 14 subjects. One platform to unify all your AI tools, with data that stays in your school's hands.
co-founder Renee Ho recently joined Professor Wong Berlin and the HK Future Economy Institute (HKFEI) team to meet Dr. Jeff Sze, JP, Under Secretary for Education, for an in-depth dialogue on Hong Kong's AI education policy and school-level implementation.
We believe school-based AI adoption requires ongoing dialogue with policy makers to genuinely match what schools need.
View on Instagram 內建多種 AI 功能；以下為兩個老師與學生常用例子。
ESSAi maps directly to the HK Digital Education Blueprint's 4 focus areas and is fundable via Smart Education HK$500,000.
01 · Policy Framework
Mapped to all 4 focus areas
02 · EDB Funding
2-year wallet per public school (2026-2028)
As Featured On
HK's flagship business affairs programme features ESSAi's role in school-based AI education — how the platform helps HK schools deploy AI without losing pedagogical control.
Watch on YouTube
CHINESE SUBJECT AI
for ChineseWriting · Speaking · Reading · Listening — Cantonese + Putonghua
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for Chinesefor ChineseEssai 中文
Writing · Speaking · Reading · Listening — Cantonese + Putonghua
for EnglishEssai 英文
Writing · Speaking · Reading · Listening
for MathEssai 數學
HK’s most complete DSE + HKAT math practice platform.
for HumanitiesEssai 人文
New Primary Humanities to DSE History / Chinese History / Geography.
for ScienceEssai 科學
Primary Science to DSE electives — one self-paced path.
for ICTEssai ICT
From primary Scratch blocks to DSE ICT — one self-paced journey.
AI 企會財
AI-generated · DSE-format BAFS practice · Instant MC marking · AI-graded long questions · Bilingual
for Every SubjectEssai 全科
Any subject · paste YouTube / photo / text → AI auto-generates MCQs.
AI 小遊戲
Teachers describe a game in one sentence; AI builds it, playable, on the spot.
AI 視覺藝術
Students upload artwork; AI connects them to master artists — and shows how to improve.
實時課堂互動
Build a quiz in a minute; students join with a six-digit code; results flow back live.
學校行政
From roster to OLE profiles: collect, approve, import, and announce — on one platform.
50+ HK schools have tried Essai · EDB HK$500k funding eligible
Built around DSE, TSA and HKAT.
Rubrics and marking models are designed by teachers who have graded the real exams — not generic AI tuned for US standards.
Each school on an isolated tenant. We never train AI on school data.
Every school gets its own data boundary. We do not train any model on student work, and we do not share data across schools.
Teachers always review before students see it.
AI drafts the marking; the teacher confirms or edits. The platform exists to give teachers time back, not to remove them from the loop.
PRICING · 入學方案
Pick your subject scope — from HK$33,000 / year for a single subject to HK$70,000 / year for all subjects. Whole-school, any size. Commit 2 years for Year 2 at 50% off.
01 · Pick 1 Subject
1 科方案 · Entry
2-Year Plan · Y2 50% off
= HK$33,000 (Y1) + HK$16,500 (Y2 at 50% off) · Save HK$16,500
Subjects Included
02 · Pick 2 Subjects
2 科方案 · Standard
2-Year Plan · Y2 50% off
= HK$48,000 (Y1) + HK$24,000 (Y2 at 50% off) · Save HK$24,000
Subjects Included
03 · All Subjects
全科方案 · Whole curriculum
All curriculum subjects · whole school · any size
★ 2-Year Plan · Y2 50% off
= HK$70,000 (Y1) + HK$35,000 (Y2 at 50% off) · Save HK$35,000
Subjects Included
Aligned with the Smart Education 2-year cycle
Choose this planSchools can opt to have parents pay for student accounts (HK$50–100/student/year), reducing direct school spending.
HK$500,000 2-year wallet fits any ESSAi 2-year plan: 1-subject HK$49,500 · 2-subject HK$72,000 · all-subjects HK$105,000. Balance for hardware + teacher PD.
In partnership with professors from The Education University of Hong Kong, ESSAi is launching an AI literacy competition for primary and secondary school students — open to all ESSAi partner schools.
in your school? is a product of TalentCoop (學而人才庫). Tenders, quotations and contracts are signed with TalentCoop.
