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Average Size of One Teacher Classes, Maintained Schools 
| Primary | Secondary | |||||
| 1997 | 2007 | Difference | 1997 | 2007 | Difference | |
| Bracknell Forest LA | .. | 26.3 | .. | .. | 21.6 | .. |
| Brighton and Hove LA | .. | 27.9 | .. | .. | 22.7 | .. |
| Buckinghamshire LA | 27.9 | 25.6 | -2.3 | 21.3 | 21.1 | -0.2 |
| East Sussex LA | 28.2 | 27.3 | -0.9 | 21.4 | 22.1 | 0.7 |
| Hampshire LA | 27.9 | 27.1 | -0.8 | 22.2 | 22.6 | 0.4 |
| Isle of Wight LA | 25.9 | 24.6 | -1.3 | 22.3 | 22.4 | 0.1 |
| Kent LA | 28 | 26.8 | -1.2 | 20.3 | 20.7 | 0.4 |
| Medway LA | .. | 26.2 | .. | .. | 20.1 | .. |
| Milton Keynes LA | .. | 25.6 | .. | .. | 22 | .. |
| Oxfordshire LA | 27.2 | 25.8 | -1.4 | 22.2 | 20.9 | -1.3 |
| Portsmouth LA | .. | 26.5 | .. | .. | 23 | .. |
| Reading LA | .. | 26 | .. | .. | 19.6 | .. |
| Slough LA | .. | 27.7 | .. | .. | 20.6 | .. |
| Southampton LA | .. | 27.1 | .. | .. | 21.7 | .. |
| Surrey LA | 26.2 | 26.6 | 0.4 | 21.7 | 22.3 | 0.6 |
| West Berkshire LA | .. | 25.2 | .. | .. | 19.7 | .. |
| West Sussex LA | 26.8 | 26.6 | -0.2 | 21.6 | 21.5 | -0.1 |
| Windsor and Maidenhead LA | .. | 26 | .. | .. | 20.2 | .. |
| Wokingham LA | .. | 25.8 | .. | .. | 20 | .. |
| South East Region | 27.5 | 26.6 | -0.9 | 21.3 | 21.4 | 0.1 |
| England | 27.5 | 26.2 | -1.3 | 21.7 | 21.2 | -0.5 |
The average size of classes taught by one teacher in Maintained Primary Schools in 2007 was 26.2 down from 27.5 in 1997.
In Maintained Secondary Schools the average size of classes taught by one teacher in 2007 21.2 down from 21.7 in 1997.