College application academic evidence · reasoning and revision · Seoul and online
Exam prepAimed at an AP, IB, or IGCSE exam score.
IB Diploma Computer Science
Grades 9-12: binary and data representation, how a CPU...
- Free consultation and level check
- Apgujeong classroom or online
- One-to-one or small group
- Registered academy no. 11882
Is IB Diploma Computer Science a good fit for high school students in Grades 9-12?
IB Diploma Computer Science is a good fit for students in grades 9-12 who are interested in binary and data representation and how a CPU runs instructions. CIT offers online or in-person lessons in Apgujeong, Gangnam, Seoul, in one-to-one or small-group formats. Students make a Python file revised in every lab, input and trace tables with test results, and notes explaining expected versus actual results.
Of the eight official IB units, CIT's eight Python labs supplement three: computer fundamentals, programming, and object-oriented programming. Students turn a string of 0s and 1s into a decimal number and test functions that count letters, find the longest run, and average values, including empty and invalid input. They also follow an object's state, a four-instruction CPU model, cache replacement, and storage-size calculations in code. The labs do not replace the full SL or HL course or guidance on the internal assessment (IA), and the school's assessment year, level, and language are checked first. 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 binary and data representation instead of memorizing answers, IB Diploma Computer Science connects how a CPU runs instructions to exam-ready reasoning and a record of how you fixed mistakes.
Which interests suggest this course?
- binary and data representation
- how a CPU runs instructions
- objects and methods
What does the student finish?A Python file revised in every lab, input and trace tables with test results, and notes explaining expected versus actual results.
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, IB Diploma Computer Science.
A short diagnostic review sets the starting point.
Progress depends on regular practice and acting on feedback.
What will my child learn?
- Read a string of 0s and 1s from the left to turn it into a decimal number, and reject empty or invalid input.
- Write functions that count letters, find the longest run, and average values, and explain why expected and actual results differ.
- Compare an object's state before and after each method call to check that lending and returning work.
- Step through a four-instruction CPU model and cache replacement, and calculate how much storage data needs.
Which units does the official course cover?
- 1Computer Fundamentals
CPU, memory and cache, data representation, and the operating system; CIT's labs trace instruction order, cache replacement, and storage sizes.
- 2Networks
Network fundamentals and architecture, data transmission, and network security.
- 3Databases
Database fundamentals and design, and working with data through query languages such as SQL.
- 4Machine Learning
Machine learning fundamentals, the main learning approaches, and the ethics of using models.
- 5Computational Thinking
Decomposition, pattern recognition, and abstraction as steps toward designing an algorithm.
- 6Programming
Variables, data structures, selection, loops, search, sort, and files; CIT's labs write binary, letter-count, longest-run, and average functions.
- 7Object-Oriented Programming
Classes, objects, and principles such as encapsulation; CIT's lab follows how a lending object's state changes.
- 8Abstract Data Types (HL)
For HL students, abstract data types such as linked lists and binary search trees.
What counts as useful evidence?
A Python file revised in every lab, input and trace tables with test results, and notes explaining expected versus actual results.
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: 2026-10-03
Questions parents search before choosing this course
Is IB Diploma Computer Science a good fit for high school students in Grades 9-12?
IB Diploma Computer Science is a good fit for students in grades 9-12 who are interested in binary and data representation and how a CPU runs instructions. CIT offers online or in-person lessons in Apgujeong, Gangnam, Seoul, in one-to-one or small-group formats. Students make a Python file revised in every lab, input and trace tables with test results, and notes explaining expected versus actual results.
Can my child take IB Diploma Computer Science 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 IB Diploma Computer Science?
Current study of, or planned preparation for, IB Diploma Computer Science. 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 IB Diploma Computer Science?
The main evidence is a Python file revised in every lab, input and trace tables with test results, and notes explaining expected versus actual results. Students also document decisions, tests, feedback, and limits in age-appropriate language.
How does IB Diploma Computer Science exam preparation work?
CIT starts with a short diagnostic, then works through the units in order, from Computer Fundamentals to Abstract Data Types (HL), 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 IB Diploma Computer Science 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.