Flegg High Ormiston Academy (formerly Flegg High School) is an 11–16 mixed secondary school with academy status in Martham, Great Yarmouth, Norfolk, England.

Much of the school has been expanded over the years and in 2005 major building work was undertaken to accommodate the inclusion of Year 7 pupils, and generally update the buildings, bringing the school roll in September 2007 up to near 1,000 pupils.

It was renamed "Flegg High Ormiston Academy".

[5] Flegg students complete a Key Stage 3 in three years where the full Key Stage 3 National Curriculum is covered.

[6] Key Stage 4 commences in Year 10, allowing the students the opportunity to study core subjects and 4 in greater depth than in Key Stage 3.