School postcodes starting with I:
- IG1 1EW Cleveland Junior School
- IG1 1EW Cleveland Infants' School
- IG1 1FY Isaac Newton Academy
- IG1 1SA St Peter and Paul's Catholic Primary School
- IG1 1SU Gordon Infants' School
- IG1 1UE The John Barker Centre
- IG1 2JD Uphall Primary School
- IG1 2PY Woodlands Infants' School
- IG1 2PY Woodlands Junior School
- IG1 2UT Loxford School of Science and Technology
- IG1 2WS Winston Way Primary School
- IG1 2XG Ad-Deen Primary School
- IG1 3AF Maytime Preparatory School
- IG1 3BD Cranbrook
- IG1 3BG Apex Primary School
- IG1 3LE Highlands Primary School
- IG1 3PS Cranbrook Primary School
- IG1 4AD Read Academy
- IG1 4AS St Aidan's Catholic Primary School
- IG1 4JU The Ursuline Academy Ilford