Chunjae AIDTChunjae AIDT

One Platform, Every Classroom

The Choice of Schools Across Korea
— Korea’s No.1 AI Education Platform 

Connecting content, teaching, and data — all in one

Chunjae AIDT Platform
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45 years of educational expertise — now powered by AI

The platform trusted by more classrooms in Korea than any other.
Now expanding beyond Korea to classrooms worldwide.

Chosen by Half of the Market

The Choice of Schools Across Korea

*Source: Textbook Association (Korea, 2025)

Proven AI CapabilitiesKorea's No.1 Textbook Publisher8.9B Learning Data Points Driving Personalization45 Years of Educational Expertise13 AI Patents in KoreaAI-Powered Learning InnovationChunjae AIDT

From One Classroom to Every Learner

See how real-time data, AI-driven insights, and interactive content come together
empowering teachers to teach smarter and supporting every student individually

One Platform for Every Stage of Teaching

From planning and live instruction to AI-powered feedback and analytics
— everything you need before, during, and after class

Function 01

Customize Content and Lessons

Add your own materials and customize lessons for more effective and personalized teaching

Function 02

Real-Time Teaching and Control Tools

Engage students during class while managing learning with live monitoring and control

Function 03

Learning Analytics

Automatically analyze student performance and generate AI-powered feedback instantly

From Insight to InstructionFrom Insight
to Instruction.

Transform learning data into actionable teaching insights before class begins.Transform learning data into actionable teaching insights before class begins.

Previous Lesson Analysis

Previous Lesson AnalysisPrevious Lesson Analysis

Use accumulated learning data to design more effective, targeted lessons, while students continue learning based on their strengths and learning gaps.

Use accumulated learning data to design more effective, targeted lessons,
while students continue learning based on their strengths and learning gaps.

Customize Lesson

Customize LessonCustomize Lesson

Customize lessons with your own materials — PDFs, links, and activities — alongside built-in resources, enabling flexible, personalized teaching and tailored student learning.

Customize lessons with your own materials
— PDFs, links, and activities
— alongside built-in resources, enabling
flexible, personalized teaching and tailored student learning.

Every Student, Every MomentEvery Student,
Every Moment

Keep learners engaged through real-time interaction, collaboration, and visibility.Keep learners engaged through real-time interaction, collaboration, and visibility.

Real-Time Engagement

Real-Time EngagementReal-Time Engagement

Track and monitor student activity in real time, with instant screen monitoring for seamless interaction. Teachers can follow student progress live, while students actively participate.

Track and monitor student activity
in real time, with instant screen
monitoring
for seamless interaction.
Teachers can follow student progress live,
while students actively participate.

Live Annotation & Focus Control

Live Annotation & Focus ControlLive Annotation & Focus Control

Annotate and share screens in real time to keep your class focused. Teachers manage attention with smart control tools while students follow clearly through shared visuals.

Annotate and share screens in real time
to keep your class focused.
Teachers manage attention with smart
control tools while students follow
clearly through shared visuals.

Interactive Exploration

Interactive ExplorationInteractive Exploration

Make learning more engaging and easier to understand with dynamic, interactive tools. Teachers guide learning with rich content, while students actively participate and learn by doing.

Make learning more engaging and
easier to understand with dynamic,
interactive tools.

Teachers guide learning with rich content, while students actively participate
and learn by doing.

Collaborative Learning

Collaborative LearningCollaborative Learning

Collaborate through shared boards and group activities to exchange and discuss ideas in real time. Teachers facilitate discussion, while students share ideas and learn together.

Collaborate through shared boards
and group activities
to exchange
and discuss ideas in real time.
Teachers facilitate discussion, while students share ideas and learn together.

One Classroom, Every Learning PathOne Classroom,
Every Learning Path

Empower every student with a personalized learning experience.Empower every student with a personalized learning experience.

AI Diagnostic & Path Recommendation

AI Diagnostic & Path RecommendationAI Diagnostic
& Path Recommendation

Assess student levels, identify strengths and gaps, and build personalized learning paths for every student while helping teachers guide instruction more effectively.

Assess student levels, identify
strengths and gaps, and build personalized learning paths for every
student while helping teachers guide instruction more effectively.

AI-Driven Personalized Learning

AI-Driven Personalized LearningAI-Driven Personalized Learning

In a single classroom, students of different levels follow AI-powered learning paths tailored to their individual needs.

In a single classroom, students of
different levels follow AI-powered
learning paths
tailored to their
individual needs.

From Assessment to GrowthFrom Assessment
to Growth.

Convert assessment results into data-driven guidance and meaningful feedback.Convert assessment results into data-driven guidance and meaningful feedback.

Learning Insights

Learning InsightsLearning Insights

Analyze student performance to identify strengths and gaps. Teachers review learning insights at a glance to plan next steps, provide targeted support, and assign personalized follow-up learning. while students clearly track their progress.

Analyze student performance
to identify strengths and gaps.
Teachers review learning insights at
a glance
to plan next steps,
provide targeted support, and assign
personalized follow-up learning.
while students clearly track their progress.

AI-Generated Feedback

AI-Generated FeedbackAI-Generated Feedback

Generate and manage AI-powered feedback with ease. Using accumulated learning data, AI generates accurate, personalized feedback that helps teachers streamline evaluation. while supporting each student’s learning.

Generate and manage AI-powered
feedback with ease.
Using accumulated learning data,
AI generates accurate, personalized
feedback that helps teachers
streamline evaluation.
while supporting each student’s learning.

See how teachers are transforming
their classrooms

With our AI-powered platform
— real educators, real impact, real results

Writing student records is so much easier with AI-generated comments!

Teacher Lee

When I select a unit, it automatically generates report comments based on assessment results, which really helps with writing student records.

Teacher LeeElementary School, Seoul

Sharing annotations instantly makes lessons come alive!

Teacher Lee

Both teachers and students can write on the board, and I can share my annotations directly to student screens, which has greatly improved class focus.

Teacher LeeMiddle School, Daegu

The learning data analytics feature is incredibly useful.

Teacher Lim

It automatically records and analyzes students' learning processes and achievements, so I can immediately use it for personalized instruction.

Teacher LimMiddle School, Gyeongbuk

Everything from lesson preparation to delivery happens in one platform.

Teacher Park

I no longer need to switch between multiple tools, which makes my workflow much more efficient.

Teacher ParkMiddle School, Busan

Everything I need is already inside the platform.

Teacher Lee

Textbooks, quizzes, the class board, and assignment management are all in one place. My prep time genuinely shrank, and I walk into class feeling more ready than ever.

Teacher LeeHigh School, Incheon

Grading used to take hours. Now it takes minutes.

Teacher Kim

The moment students submit, everything is auto-scored. I can see exactly where mistakes are clustering and which concepts need more work, all at a glance.

Teacher KimElementary School, Seoul

I finally stopped paying for a separate monitoring app.

Teacher Jung

Before this feature existed, I was paying for a third-party mirroring tool just to see student screens. Having it built right into the platform changes everything about how I manage class.

Teacher JungMiddle School, Daejeon

For the first time, struggling students are getting answers right.

Teacher Han

Problems adjusted automatically to each student's level. One student said it just felt good to finally get something correct. When a student who normally disengages says that, you know something real is happening.

Teacher HanElementary School, Gyeonggi

Now I know exactly where each student stands, no more guessing.

Teacher Yoon

My classes always have a wide spread of levels. The AI diagnostics gave me a clear map of each student's gaps, so I can plan lessons around what they actually need, not just teach to the middle.

Teacher YoonHigh School, Sejong

A student who never engaged is now working through problems on her own.

Teacher Park

She used to stare blankly during every lesson. Once we started using the platform, she was looking at her screen and working at her own pace. The interactive content reached her when nothing else had.

Teacher ParkElementary School, Yeoju

14 out of 18 students prefer this over the traditional textbook.

Teacher Noh

I ran a full 12-lesson unit entirely on the platform. Assessment scores improved by about 5 points on average compared to textbook-based lessons. The students' preference speaks for itself.

Teacher NohMiddle School, Daejeon

Students follow my pen on their own screens, live.

Teacher Lee

I annotate directly on the shared screen while each student follows along on their own device. Different pen colors and instant updates create a level of attention I hadn't seen before.

Teacher LeeMiddle School, Seongnam

Writing student records is so much easier with AI-generated comments!

Teacher Lee

When I select a unit, it automatically generates report comments based on assessment results, which really helps with writing student records.

Teacher LeeElementary School, Seoul

Sharing annotations instantly makes lessons come alive!

Teacher Lee

Both teachers and students can write on the board, and I can share my annotations directly to student screens, which has greatly improved class focus.

Teacher LeeMiddle School, Daegu

The learning data analytics feature is incredibly useful.

Teacher Lim

It automatically records and analyzes students' learning processes and achievements, so I can immediately use it for personalized instruction.

Teacher LimMiddle School, Gyeongbuk

Everything from lesson preparation to delivery happens in one platform.

Teacher Park

I no longer need to switch between multiple tools, which makes my workflow much more efficient.

Teacher ParkMiddle School, Busan

Everything I need is already inside the platform.

Teacher Lee

Textbooks, quizzes, the class board, and assignment management are all in one place. My prep time genuinely shrank, and I walk into class feeling more ready than ever.

Teacher LeeHigh School, Incheon

Grading used to take hours. Now it takes minutes.

Teacher Kim

The moment students submit, everything is auto-scored. I can see exactly where mistakes are clustering and which concepts need more work, all at a glance.

Teacher KimElementary School, Seoul

I finally stopped paying for a separate monitoring app.

Teacher Jung

Before this feature existed, I was paying for a third-party mirroring tool just to see student screens. Having it built right into the platform changes everything about how I manage class.

Teacher JungMiddle School, Daejeon

For the first time, struggling students are getting answers right.

Teacher Han

Problems adjusted automatically to each student's level. One student said it just felt good to finally get something correct. When a student who normally disengages says that, you know something real is happening.

Teacher HanElementary School, Gyeonggi

Now I know exactly where each student stands, no more guessing.

Teacher Yoon

My classes always have a wide spread of levels. The AI diagnostics gave me a clear map of each student's gaps, so I can plan lessons around what they actually need, not just teach to the middle.

Teacher YoonHigh School, Sejong

A student who never engaged is now working through problems on her own.

Teacher Park

She used to stare blankly during every lesson. Once we started using the platform, she was looking at her screen and working at her own pace. The interactive content reached her when nothing else had.

Teacher ParkElementary School, Yeoju

14 out of 18 students prefer this over the traditional textbook.

Teacher Noh

I ran a full 12-lesson unit entirely on the platform. Assessment scores improved by about 5 points on average compared to textbook-based lessons. The students' preference speaks for itself.

Teacher NohMiddle School, Daejeon

Students follow my pen on their own screens, live.

Teacher Lee

I annotate directly on the shared screen while each student follows along on their own device. Different pen colors and instant updates create a level of attention I hadn't seen before.

Teacher LeeMiddle School, Seongnam

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