Student ages

11 mins 51 secs

58 secs

2 mins 19 secs

20 mins 5 secs

1 min 18 secs

2 mins 29 secs

3 mins 6 secs

3 mins 7 secs

4 mins 59 secs

54 secs

23 secs

22 secs

4 mins 47 secs

11 mins 16 secs

7 mins

1 min 52 secs

6 mins 1 sec

5 mins 14 secs

1 min 50 secs

1 min 9 secs

30 secs

5 mins 12 secs

3 mins 1 sec

2 mins 23 secs

15 mins 10 secs

1 min 3 secs

24 secs

5 mins 12 secs

5 mins 20 secs

28 secs

8 secs

5 mins 12 secs

3 mins 38 secs

42 mins 46 secs

3 mins 3 secs

1 min 11 secs

4 mins 12 secs

5 mins 46 secs