College application academic evidence · reasoning and revision · Seoul and online
Exam prepAimed at an AP, IB, or IGCSE exam score.
AP Computer Science A
Grades 9-12: Java programming, object and class design...
- Free consultation and level check
- Apgujeong classroom or online
- One-to-one or small group
- Registered academy no. 11882
Is AP Computer Science A a good fit for high school students in Grades 9-12?
AP Computer Science A is a good fit for students in grades 9-12 who are interested in Java programming and object and class design. CIT offers online or in-person lessons in Apgujeong, Gangnam, Seoul, in one-to-one or small-group formats. Students make unit-by-unit Java code submissions, free-response (FRQ) answers with self-scoring sheets, and a mock exam with an error log.
Students work through the four official units of AP Computer Science A by writing and running Java code themselves. They trace conditionals and loops line by line in tables, answer class, array, and ArrayList questions in the free-response (FRQ) format, and check each answer against the scoring guidelines. The course ends with a timed mock exam and a unit-by-unit review of weak spots. Alongside the score, the student builds the academic evidence an application can use: how they applied a core idea, why an answer failed, and how they revised it.
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My child loved that the teacher explained things really well and made the lesson enjoyable. We are very glad too.
- Age group
- Grades 9-12
- Academic subject
- Computer Science & CodingBrowse subject
- Course type
- Exam preparation
- Format
- Online or Apgujeong in person · one-to-one or small group
- Teaching language
- Korean by default, with complete English materials
- Curriculum status
- Lesson-readyEvery learning item includes the evidence, worked example, practical work, and tutor guidance required by CIT's lesson-ready standard.
How can I explain this course to my child?
If you want to understand the important ideas behind Java programming instead of memorizing answers, AP Computer Science A connects object and class design to exam-ready reasoning and a record of how you fixed mistakes.
Which interests suggest this course?
- Java programming
- object and class design
- loops and array algorithms
What does the student finish?Unit-by-unit Java code submissions, free-response (FRQ) answers with self-scoring sheets, and a mock exam with an error log.
Is this a good fit?
A strong fit for students who want to create software, strengthen CS fundamentals, or prepare for a computing course or competition.
Current study of, or planned preparation for, AP Computer Science A.
A short diagnostic review sets the starting point.
Progress depends on regular practice and acting on feedback.
What will my child learn?
- Explain primitive types, casting, object creation, and method calls with working code.
- Trace conditionals and loops step by step in trace tables and fix errors such as infinite loops.
- Design classes with fields, constructors, and accessors, and write them as free-response answers.
- Process data with arrays, ArrayLists, and 2D arrays, and trace searching and sorting steps.
How does the course progress?
- 1Using Objects and Methods
Primitive types, casting, object creation, method calls, and the String and Math classes, practiced in code.
- 2Selection and Iteration
Trace if statements and while and for loops, then write loop algorithms in the FRQ format.
- 3Class Creation
Design classes with constructors, accessors, and static members, and solve class-writing FRQs under time limits.
- 4Data Collections
Arrays, ArrayLists, 2D arrays, searching, sorting, and recursion, ending with a timed mock exam.

What counts as useful evidence?
Unit-by-unit Java code submissions, free-response (FRQ) answers with self-scoring sheets, and a mock exam with an error log.
What should an admissions reader be able to see?
Alongside the score, the student builds the academic evidence an application can use: how they applied a core idea, why an answer failed, and how they revised it.
Useful evidence may include readable code, tests, version history, design choices, and a working product the student can explain.
The evidence an application reads is what the student understood, completed, and can explain.
Which sources were reviewed?
Catalog reviewed: 2026-09-30
Questions parents search before choosing this course
Is AP Computer Science A a good fit for high school students in Grades 9-12?
AP Computer Science A is a good fit for students in grades 9-12 who are interested in Java programming and object and class design. CIT offers online or in-person lessons in Apgujeong, Gangnam, Seoul, in one-to-one or small-group formats. Students make unit-by-unit Java code submissions, free-response (FRQ) answers with self-scoring sheets, and a mock exam with an error log.
Can my child take AP Computer Science A 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 AP Computer Science A?
Current study of, or planned preparation for, AP Computer Science A. A short diagnostic review sets the starting point. Progress depends on regular practice and acting on feedback.
What will my child make or practice in AP Computer Science A?
The main evidence is unit-by-unit Java code submissions, free-response (FRQ) answers with self-scoring sheets, and a mock exam with an error log. Students also document decisions, tests, feedback, and limits in age-appropriate language.
How does AP Computer Science A exam preparation work?
CIT starts with a short diagnostic, then works through the units in order, from Using Objects and Methods to Data Collections, reviewing errors and improving exam-style responses. Practice is adapted to the student's current syllabus and readiness.
How are the schedule and tuition for AP Computer Science A 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?
The exam date is set by the school or the exam board, so the time left decides how many units the student can cover and how much practice fits. CIT checks the remaining weeks first, then proposes a starting unit.
At first my child did not want to go, because it was a weekend class. After the lesson they said it had been fun. Hearing that they ask about anything they do not understand and take part on their own put me at ease as a parent.
Where else parents check CIT
Choose the course after a readiness check
CIT can compare this course with nearby options by age, subject, and current preparation.