IB ACIO Syllabus & Exam Pattern
Updated 2026Examination Pattern Breakdown
The examination pattern is structured to assess both speed and deep analytical ability. The Tier I exam tests the breadth of knowledge across five key subjects, while the Tier II descriptive paper evaluates the depth of understanding and the ability to articulate thoughts effectively in English.
Tier I: Objective Test (100 Questions, 60 Minutes)
| Section | Number of Questions | Marks |
|---|---|---|
| Current Affairs | 20 | 20 |
| General Studies | 20 | 20 |
| Numerical Aptitude | 20 | 20 |
| Reasoning / Logical Aptitude | 20 | 20 |
| English Language | 20 | 20 |
| Total | 100 | 100 |
Tier I is marked by a penalty of 1/4th (0.25) mark for every wrong answer. Candidates must manage time strictly, as there are 100 questions to solve in just 60 minutes.
Tier II: Descriptive Test (50 Marks, 60 Minutes)
| Section | Marks |
|---|---|
| Essay Writing | 20 |
| English Comprehension | 10 |
| Long Answer Questions (2) | 20 |
| Total | 50 |
Tier III: Interview (100 Marks)
The final interview serves as a comprehensive personality assessment. Candidates are judged on their clarity of thought, social and professional communication skills, and their overall aptitude for the high-pressure environment of intelligence work. The combined weightage of all these sections determines the final merit ranking, making each mark crucial.
