Teesside High School is a co-educational private day-school in Eaglescliffe, Stockton-on-Tees, England.

The grounds which Teesside High School occupies were originally home to The Cleveland School, founded in 1938 and housed in Woodside Hall on the banks of River Tees from 1945.

Queen Victoria High School was founded in 1883 and was located at Yarm Lane, Stockton.

Boys and girls were taught separately for core subjects from year 5 through to the completion of GCSE at 16.

Boys and girls mixed socially, both in terms of organized activities and unstructured time during breaks in the school day.