SecondaryData as of May 2026

Islwyn High School

Waterloo, Oakdale, Blackwood, NP12 0NU

Secondary (ages 11-16)

Pupils

1,047

Ages

11-18

FSM

18.2%

Ofsted

Not yet inspected

Community & Reviews

What parents say and who teaches here

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Location & Nearby

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About Islwyn High School

Islwyn High School is a secondary school in Blackwood, Caerphilly. The school has around 1,047 pupils on roll. Use this page to explore performance trends, inspection history, admissions notes and neighbourhood context before applying.

Location: Waterloo, Blackwood, NP12 0NU | More schools in Caerphilly

Frequently asked questions about Islwyn High School

Where is Islwyn High School located?

Islwyn High School is a secondary school in Blackwood, Caerphilly (NP12 0NU).

How many pupils attend Islwyn High School?

Islwyn High School has around 1,047 pupils on roll according to the latest school census data.

How can I compare Islwyn High School with other schools?

View Islwyn High School's full profile on FavSchools for multi-year results and Ofsted history, then use the comparison tool or interactive map to explore nearby alternatives in Caerphilly.