The documents required for CBSE school admission in Kolkata may include: 1. Birth certificate, 2. Aadhaar card for the student and parent, 3. Previous class report card, 4. Three copies of the student's photo and one copy each for the parent, 5. Income tax return (ITR) for the last three years, 6. Bank statement for the last six months, 7. Medical history and blood group report, if applicable, 8. Transfer certificate, if the student is in class 2 or higher.