Northampton School for Girls (NSG) is a single-sex girls' comprehensive secondary school with academy status, in Northampton, Northamptonshire, England.

[4] [5] Ofsted noted in 2006 that the school's status "benefits the wider community as well.

[4] The school is also home to Spinney Hill Theatre, where both NSG students and other groups regularly perform.

[7] As of 2022, the school's most recent full inspection by Ofsted was in 2021, with a judgement of Good.

[9] The school's progress score at A level was -0.08, considered average.