| id | student | subject | mark |
|---|---|---|---|
| 1 | English | English | 75 |
| 2 | Maths | Maths | 85 |
| 3 | Physics | Physics | 73 |
| 4 | Chemistry | Chemistry | 80 |
| 5 | English | English | 60 |
| 6 | Maths | Maths | 65 |
| 7 | Physics | Physics | 69 |
| 8 | Chemistry | Chemistry | 70 |
| 9 | English | English | 75 |
| 10 | Maths | Maths | 70 |
| 11 | Physics | Physics | 85 |
| 12 | Chemistry | Chemistry | 77 |
| 13 | English | English | 95 |
| 14 | Maths | Maths | 90 |
| 15 | Physics | Physics | 91 |
| 16 | Chemistry | Chemistry | 75 |