River Leven, North Yorkshire River Leven, North Yorkshire The River Leven is a river in North Yorkshire, England, a tributary to the River Tees. It rises on Warren Moor, part of Kildale Moor, in the North York Moors and flows to the north of the moors to join the River Tees at Yarm. The source of the river is on Warren Moor, part of Kildale Moor, just south of the village of Kildale. It flows east until it reaches the Whitby to Middlesbrough rail line where it does a complete turnaround to flow west to Kildale. It then flows south-south-west through woodland to the
Middlesbrough College during the 2013/14 college year were 14,232 (2013/14 annual report). Three of the pre-2008 sites were those of the former grammar schools when run by the Middlesbrough Education Committee: Middlesbrough High School for Girls had 450 girls in the 1950s, and 600 in 1962. Middlesbrough High School for Boys had around 450 boys in the 1950s, and 600 in the mid-1960s. The boys' and girls' schools, both three-form entry schools, merged in September 1967 to form Middlesbrough High School, an ages 13–18 comprehensive with around 1,200 boys and girls and 500 in the sixth form. Middlesbrough High School became Middlesbrough