Whitmore High School is a co-educational secondary school situated in Barry, Wales.

Whitmore High School was formed in September 2018 during a reform of secondary education in the area, when the single-sex Bryn Hafren Comprehensive School and Barry Comprehensive School became co-educational schools.

Whitmore High School was based out of the Barry Comprehensive School site.

[1] In 2018, plans to build a new building for the school were announced, with construction started in September 2019.

[2] Staff and students moved into the new school building in May 2021.