Students seated at laptops during the evening pre-training session in a classroom at Cheongju Daeseong High School

From a cancer-treatment game
to semiconductor cooling —
built by high schoolers.

The 77 students at Cheongju Daeseong picked topics nobody assigned them.
Drug delivery systems, HBM cooling, photocatalysts for artificial photosynthesis…
They turned whatever they cared about straight into an app.
Two hours one evening, and the next morning.

School
Cheongju Daeseong High School
Date
Jul 16–172h evening + 5h morning
Participants
0High schoolers · 22 teams
Completed
0 appsevery team published to the gallery
Run by
Jitda3 instructors and mentors on site
Schedule
Theme · each team chose their own

Two hours of learning in the evening,
half a morning of building.

On Thursday evening, even students seeing it for the first time got the hang of it from a two-hour session.
The next morning they started building immediately and stayed with it, without a break.

Thu Jul 16 · 19:00–21:00

Pre-training

First taste of AI literacy and vibe coding

Fri Jul 17 · 08:30

Building starts

Teams go straight from their own topic to an app

until 13:30

Finished · published to the gallery

Focused straight through, then shared to the Jitda gallery

Wrap-up

Trying each other’s work

Time to actually use the apps other teams built

The theme of this hackathon
“No set theme — whatever each team wanted to build”

Cancer treatment and semiconductor cooling, photocatalysts, typhoons and wildfires, welfare and healthcare gaps —
twenty-two teams each picked a different problem.
Starting from what they cared about, they never put it down.

What the day built
Turning an idea into something real · AI-assisted software literacy · team collaboration
Student work

The work the students built, one at a time.

The projects scroll past below. Hover to pause, and click a card to see it in detail above.

DDS 연구소
4 students
온기 (On:Gi)
4 students
HBM 냉각 미션
4 students
산불 피해지 복원 시뮬레이터
3 students
읽기 전, 책 한 페이지
4 students
태풍 방어 시뮬레이터
5 students
PhotoCat
3 students
반도체 강화하기
4 students
‘살 수 있는 사람, 살 수 없는 사람’
4 students
BrainSync
3 students
잇다
3 students
Green Power Factory
6 students
Photo-Tint
3 students
우리 학급 환경 지킴이
3 students
동네 물건 공유
3 students
평범한 하루
4 students
With Jitda
The school focuses only on the students,
and Jitda prepares everything else.

All Cheongju Daeseong had to handle was a single list of student names.
Team assignments, running the day, technical support, publishing the work — Jitda takes all of it.

Operations, handled

Send us the roster and we arrive with everything ready — team assignments through the run-of-day script.

On-site technical support

The moment a student gets stuck, our staff work through it beside them. Teachers can just watch.

Work published automatically

When the event ends, every team's project goes straight into the gallery and students leave each other hearts (♥).

Pre- and post-surveys

We run the surveys too, so you can see in the data how much the students changed.

The classroom that day

Learn, build, and try each other’s work — all in one day

We kept the tool explanation short.
Most of the day went to the students actually building.

A student building their own web app on a laptop, with the work in progress on the screen beside themDeep in the build
A wide view of the classroom during the evening pre-training session, students seated at their laptopsEvening pre-training
A laptop screen showing a metro map web app built by a studentA working app
A student building a map-based web app with a laptop and mouseTeam development
Students helping each other across their laptopsHelping each other
Contact us

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