College application research evidence · understanding and original contribution · Seoul and online

Project courseThe student keeps the work and the record they made.

Codex Cli

Grades 9-12: command-line work with Git, permissions for...

Where this course comes from

The universities and labs named here made the open projects or materials this course draws on. CIT designed the course independently; it is not an official, affiliated, or endorsed course of those institutions.

Where this course's material comes from
  • MITOpen research referenced
Open protected courseCheck course fit
  • Free consultation and level check
  • Apgujeong classroom or online
  • One-to-one or small group
  • Registered academy no. 11882
A three-layer network diagram running from data through a model to a decision
Quick answer

Is Codex Cli a good fit for high school students in Grades 9-12?

Codex Cli is a good fit for students in grades 9-12 who are interested in command-line work with Git and permissions for AI coding agents. CIT offers online or in-person lessons in Apgujeong, Gangnam, Seoul, in one-to-one or small-group formats. Students make a mini web tool with Git history, bug reports with code reviews, and a tested final project with a demo.

The course was designed from open research published by MIT. Students learn the terminal and Git in a class-only folder, install Codex CLI, and start it in read-only mode, reviewing each command it proposes before approving or rejecting it. Passwords, API keys, and personal information stay out of class files and prompts. They build a small web tool from a work order with a goal, context, constraints, and a done-when condition, check it with error messages, git diff, and codex review, and finish with a local tool that solves one user's recurring problem, planned from a spec and acceptance tests. The student then designs and tests an extension of their own: a new question, feature, model, interface, or solution. In an application or interview, the student separates the source research from their own decisions, results, failed attempts, revisions, and limits.

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My child found the AI classes interesting and stayed with them. It made for a worthwhile school break. Thank you for teaching so attentively.
Parent of a CIT studentTranslated from Korean. One family's experience; the same result is not guaranteed.Read more parent feedback
Age group
Grades 9-12
Academic subject
AI & Data, Computer Science & CodingBrowse subject
Course type
Course
Format
Online or Apgujeong in person · one-to-one or small group
Teaching language
Korean by default, with complete English materials
Curriculum status
Learning studioA structured learning studio with goals, deliverables, and follow-up work is available. Tutors confirm supporting materials before delivery.

From open research to student-owned work

Students inspect a relevant public source, reproduce the idea, then add an original question, feature, or test. The material this course reads was made at MIT. Names identify the source, not affiliation or endorsement.

Where this course's material comes from
  • MITOpen research referenced

How can I explain this course to my child?

If questions about command-line work with Git or permissions for AI coding agents keep making you ask why, Codex Cli lets you investigate the question with evidence, then build and defend an extension of your own.

Which interests suggest this course?

  • command-line work with Git
  • permissions for AI coding agents
  • checking and undoing AI code changes

What does the student finish?A mini web tool with Git history, bug reports with code reviews, and a tested final project with a demo.

Is this a good fit?

A strong fit for students who want to understand, build, test, or responsibly use AI systems.

Course placement follows current subject and coding readiness.

Students should be ready to document sources, methods, and limits.

Advanced tools are introduced after a clear baseline.

What will my child learn?

  1. Confirm the current folder, target, and expected result before running a command, and stop to ask before risky ones.
  2. Write a work order with a goal, context, constraints, and a done-when condition, and review Codex's plan before granting write access.
  3. Reproduce and fix bugs using error messages, test results, and browser behavior, then verify the fix again.
  4. Review changes with git status and git diff and explain approval policies and sandbox limits.
Where this course's material comes from
  • MITOpen research referenced

How does the course progress?

  1. 1
    The Terminal and Safe Work

    Practice locating, changing, and committing files in a class folder, then install Codex CLI and record a check with personal details hidden.

  2. 2
    The Core Codex Workflow

    Start read-only, check permissions, review Codex's plan against a work order, and build a first mini web tool.

  3. 3
    Context, Verification, and Recovery

    Debug from error messages, review changes with codex review, restore a single file, and write standing rules in AGENTS.md.

  4. 4
    Automation and Final Project

    Automate a read-only check with codex exec, then build a local tool for one user's problem and demo it, separating AI work from human decisions.

Students documenting and explaining hands-on work at CIT

What counts as useful evidence?

A mini web tool with Git history, bug reports with code reviews, and a tested final project with a demo.

What should an admissions reader be able to see?

The course was designed from open research published by MIT. The student works out what those researchers were trying to learn, why the question matters, and how they tested it, then designs and tests an extension of their own: a new question, feature, model, interface, or solution. In an application or interview, the student separates the source research from their own decisions, results, failed attempts, revisions, and limits.

Useful evidence may include a documented dataset, baseline comparison, model evaluation, error analysis, and a clear record of the student's own decisions.

These names identify who published the open project the course starts from. The evidence an application reads is what the student understood, completed, and can explain.

Which sources were reviewed?

Catalog reviewed: 2026-09-30

Where this course's material comes from
  • MITOpen research referenced

Questions parents search before choosing this course

Is Codex Cli a good fit for high school students in Grades 9-12?

Codex Cli is a good fit for students in grades 9-12 who are interested in command-line work with Git and permissions for AI coding agents. CIT offers online or in-person lessons in Apgujeong, Gangnam, Seoul, in one-to-one or small-group formats. Students make a mini web tool with Git history, bug reports with code reviews, and a tested final project with a demo.

Can my child take Codex Cli online or in person, one-to-one or in a small group?

Yes. CIT offers online and in-person lessons at its Apgujeong academy in Gangnam, Seoul, with one-to-one and small-group options. A readiness consultation confirms the available format and starting point for the course.

Does my child need prior subject knowledge or coding experience for Codex Cli?

Course placement follows current subject and coding readiness. Students should be ready to document sources, methods, and limits. Advanced tools are introduced after a clear baseline.

What will my child make or practice in Codex Cli?

The main evidence is a mini web tool with Git history, bug reports with code reviews, and a tested final project with a demo. Students also document decisions, tests, feedback, and limits in age-appropriate language.

How can Codex Cli show research understanding in a college application?

The course was designed from open research published by MIT. The student works out what those researchers were trying to learn, why the question matters, and how they tested it, then designs and tests an extension of their own: a new question, feature, model, interface, or solution. In an application or interview, the student separates the source research from their own decisions, results, failed attempts, revisions, and limits. Useful evidence may include a documented dataset, baseline comparison, model evaluation, error analysis, and a clear record of the student's own decisions.

How are the schedule and tuition for Codex Cli determined?

CIT confirms the student's readiness, goal, location, class size, and current availability before recommending a course plan. The consultation and level check are free; tuition is explained before enrollment.

When should a student start?

There is no fixed intake month. CIT reviews the student's current school term, readiness, and available hours, then names the point in the course where they should begin.

I appreciated that a simple early idea was extended into an 'AI debate tool'. My child has always been interested in debate and social issues, so seeing that interest connect to the project makes me expect a more complete and distinctive result.
Parent of a CIT studentTranslated from Korean. One family's experience; the same result is not guaranteed.Read more parent feedback

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