Competition Focus · KOAI Round 3

C3. KOAI Round 3 Coding and Interview Prep

For students who passed KOAI high-school Round 2 (roughly the top 10), we prepare all 7 evaluation categories of the Round 3 national team selection interview at once. We train AI knowledge, coding test, English communication, problem-solving thinking, teamwork, system design, and representative qualities according to their weighting.

🎯 For: KOAI Round 2 passers ⏱ Recommended ~13 hours · online/in person · 1:1/small-group (1:n) 🎤 7 interview evaluation categories

Published: May 16, 2026 | Last updated: October 15, 2026 · Based on the KOAI 2026 guidelines

At a Glance

Track

Competition Intensive

KOAI Round 3 selection

Target

KOAI Round 2 passers

Roughly the top 10

Recommended Hours

About 13 hours

1:1 basis · varies 10-16 hours

KOAI Mapping

7 categories of the Round 3 interview

Coding test + interview

Learning Goals

C3 students who passed KOAI high-school Round 2 (roughly the top 10) by preparing all 7 evaluation categories of the Round 3 national team selection interview at once. The goal is to train AI knowledge interviews, live coding tests, English communication, problem-solving thinking, teamwork, AI system design perspective, and representative qualities in a balanced way according to each weighting, so students can respond flawlessly on selection day.

CIT's classes cover preparation for the KOAI national selection only. After a student is selected for the national team, national team training and IOAI finals preparation follow the official process of the organizing bodies, and CIT does not coach those stages.

Who It's For & Prerequisites

Recommended for students who

  • Students confirmed to have passed KOAI Round 2
  • Top-tier students just short of passing (preventive enrollment)
  • Students who want to prepare all 7 evaluation categories of the Round 3 interview at once

How It Works

It runs as an intensive sprint right before the Round 3 interview. The teamwork category is a 4-person team simulation (small group) run separately, and this time is included in the total recommended hours. Because the exact Round 3 selection schedule can change, we don't specify a hard schedule, and KOAI Competition Guide.

Module Structure (7 Evaluation Categories)

Below are the 7 evaluation categories of the KOAI Round 3 national team selection interview and CIT's corresponding 1:1 prep modules. We allocate time according to each category's weighting, and depending on the student's strengths and weaknesses, some modules are accelerated, compressed, or covered more deeply.

Evaluation Category Weight CIT Module
AI knowledge (interview)15%Video recording of Round 2 solving process + self-explanation → instructor challenge interview (5 times)
AI coding test10%Live coding drills (PyTorch + Scikit-learn, 60/90/120-minute time pressure)
English communication ability15%English discussion on AI topics (advanced class for international-school students), academic English expressions + explaining visual materials
Problem-solving thinking15%30 open-ended AI scenario cards
Teamwork and collaboration20%4-person team challenge (IOAI Team Round simulation), role distribution · time management · code integration
AI system design perspective10%AI system design case discussions (deepfake, autonomous weapons, bias), organizing viewpoints in both Korean and English
Representative qualities15%Mock interviews (full instructor team + external coach), feedback on nonverbal cues, attitude, and reaction speed

※ Recommended about 13 hours, ranging 10-16 hours (including the 4-person team simulation).

Assessment & Deliverables

Deliverable

You accumulate 5 video mock interviews, a live-coding time-record table, and 3 English essays on system design cases. Your interview answers, coding speed, and system design perspective are recorded, so you can address weaknesses quantitatively.

Operation

It runs as an intensive sprint right before the Round 3 interview, and the teamwork category is run separately as a 4-person team challenge (IOAI Team Round simulation). We prepare even the collaboration evaluation area (which most academies don't cover) through real practice.

Where This Course Fits

C3 is the final course in the competition-focused track of the KOAI curriculum. For the full track structure, see KOAI Prep Curriculum Hub.

Previous Step (Prerequisite)

C2. Mock Exam Bootcamp

Round 2 Exam Execution Prep

Current Course

C3. Round 3 Coding and Interview Prep

7 Round 3 interview categories

Reference: IOAI Finals

IOAI Finals Guide

Not part of the CIT course

Frequently Asked Questions

Who is C3 for?

Students confirmed to have passed KOAI high-school Round 2 (roughly the top 10) or top-tier students just short of passing taking it preventively.

Do you cover all 7 interview categories?

Yes. We prepare all 7 evaluation categories: AI knowledge, coding test, English communication, problem-solving thinking, teamwork, system design, and representative qualities: simultaneously, weighted accordingly.

How do you train teamwork?

Teamwork, weighted at 20%, is run separately as a 4-person team challenge (IOAI Team Round simulation). It's an area most academies don't cover.

Do international-school students have an advantage in the English interview?

The 15% for English communication is practically free points for international-school students. In the advanced class, we add training in academic English expressions and explaining visual materials.

If I pass, how do I prepare for the IOAI finals?

CIT's classes cover preparation for the KOAI national selection only. After a student is selected for the national team, national team training and IOAI finals preparation follow the official process of the organizing bodies, and CIT does not coach those stages. For the exact Round 3 selection schedule, check the KOAI competition guide (https://citcoding.com/competitions/koai.html).

C3 Consultation Info

We diagnose where you are around the Round 2 pass and individually plan preparation for the 7 categories of the Round 3 interview.

Related Pages

Get a Consultation (02) 540-2922