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St Martin's Preparatory School
63 Bargate, Grimsby, DN34 5AA
Independent school for ages 2–11 in Grimsby. Mixed intake, Inter- / non- denominational ethos.
St Martin's Preparatory School is a non-selective independent prep school in Grimsby for boys and girls aged 2 to 11, with nursery classes and around 154 pupils.
Its ISI inspection in December 2025 found standards and safeguarding standards met.
The school says it was founded in 1930 and describes itself as a small independent co-educational prep school in the heart of Grimsby. It highlights a stimulating curriculum, a welcoming family atmosphere and a continued traditional approach to learning.
Ages 2–11 · Primary age
154 pupils · On roll
Independent school · Mixed