School postcodes starting with O:
- OL1 2HJ St Hilda's CofE Primary School
- OL1 3EZ Holy Cross CofE Primary School
- OL1 3QU Beever Primary School
- OL1 3SQ The Blue Coat CofE School
- OL1 4HU Watersheddings Primary School
- OL1 4HX Kingsland School
- OL1 4JX Hodge Clough Primary School
- OL1 4LG Mayfield Primary School
- OL1 4LJ Stoneleigh Academy
- OL1 4NA St. Theresa's
- OL1 4RL St Thomas Moorside CofE (VA) Primary School
- OL10 1DG Harwood Park Primary School
- OL10 2AA St Joseph's Roman Catholic Primary School, Rochdale
- OL10 2AA Holy Family Roman Catholic and Church of England College
- OL10 2HN Hopwood Community Primary School
- OL10 2NT Siddal Moor Sports College
- OL10 3BG Egerton Street Independent School
- OL10 3BX Woodland Community Primary School
- OL10 3PD Our Lady and St Paul's Roman Catholic Primary School, Heywood
- OL10 3RD St Margaret's Church of England Primary School