The table below shows the cost of membership subscriptions for full Members in 2025.
For 'New Member, New School' applications from the UK made before 31.12.25, we are offering membership at 75% of the full year's cost.
Pupil numbers are taken from the previous year’s ISC Census return, based on the total count of children in the year groups for which the Member is responsible.
| Band | Number of pupils | England and Wales | Scotland and N Ireland | Overseas |
|---|---|---|---|---|
| 1 | <199 | £1,343.00 | £1,141.55 | £1,343.00 |
| 2 | 200 - 299 | £2,068.00 | £1,757.80 | £1,343.00 |
| 3 | 300 - 399 | £2,793.00 | £2,374.05 | £1,396.00 |
| 4 | 400 - 499 | £3,507.00 | £2,980.95 | £1,754.00 |
| 5 | >500 | £4,094.00 | £3,479.90 | £2,047.00 |