Extra classes are conducted for all student at ANIS. It caters a range of subjects for various age groups.
Extra classes are conducted for all student at ANIS. It caters a range of subjects for various age groups.
| Subject | Grade or age | |
| Languages | English – Spoken & Grammer | Grade 1 to Grade 7 |
| Tamil (Basic) | All age groups | |
| English (Reading, Writing, Speaking, Listening) | UKG – Grade 6 | |
| Elocution | Age 3+ to Age 15 | |
| English (Grammer/Reading & Comprehension) | Grade 4 to Grade 6 | |
| English (Spellings/ Hand Writing & Reading) | LKG – Grade 3 | |
| Sinhala | Grade 3 to Grade 6 | |
| Korean | All age groups | |
| Subjects | Maths | Grade 1 to Grade 7 |
| Computer | LKG – Grade 8 | |
| Aesthetic | Piano (For Beginners) | For Beginners |
| Violin | All age groups | |
| Guitar | All age groups | |
| Eastern Dancing | Grade 1 & 2 | |
| Grade 3 to Grade 5 | ||
| Grade 6 to Grade 9 | ||
| Art | Grade 6 upwards | |
| Sports | Swimming | Grade 3 upwards |
| Age 4+ upwards | ||
| Badminton | Age 3+ to Age 11 | |