Burnham Grammar School (BGS) is a co-educational grammar school in Burnham, Buckinghamshire.

[1] It takes students aged 11–18, with approximately 1250 on roll (as of 2021/2022).

[2] In September 2004 the Department for Education and Skills (DfES) awarded the school specialist school status as a science college.

[3] In May 2011 the school applied for academy status in order to be released from local education authority (LEA) control.

The current headteacher is Andrew Gillespie, who took over from Catherine Long in January 2008.