Colchester, Essex · CO3 3RB
St Mary's School for Girls is an independent all-through school in Colchester serving girls from age 3 to 16, comprising a Kindergarten (ages 2–4), Lower School (ages 4–11), and Senior School (ages 11–16). The school emphasises empowering girls through a curriculum designed specifically for female learners, with explicit focus on academic success, pastoral care, and education for life beyond the classroom. Day-only provision and a cohort of around 416 pupils create an accessible, community-minded setting in suburban Essex.
Who thrives here
Families seeking a supportive, girls-centred education in an all-through setting; parents who value continuity and a strong pastoral community; girls thriving in smaller, nurturing cohorts with emphasis on balanced development.
Percentiles within UK independent + grammar schools we track.
91 Lexden Road
Colchester, Essex
CO3 3RB
Nearest stations
Day fees at St Mary's School for Girls are approximately £22,650 per year (2025/26).
St Mary's School for Girls admits pupils at 3+, 4+, 7+, 8+, 11+, 13+, 16+. Entry is assessed by Interview, Assessment. See the Admissions section above for open days and key dates.
At St Mary's School for Girls, 44.6% of GCSEs were grade 7/A or above. Full results are in the Results section above.
St Mary's School for Girls is a day school in Colchester and does not offer boarding.
ISI rated St Mary's School for Girls “Good” (2025).
Frequently praised
✓Girls-centred education and empowerment philosophy resonates with families seeking single-sex environment
✓All-through provision praised for continuity and community feel across Kindergarten through Senior School
✓Accessible, approachable admissions process and transparent communication with parents
Common concerns
!Not yet inspected by Ofsted or ISI (as at time of research), limiting independent validation of academic quality and provision