The De Warenne Academy is a secondary school with academy status on Gardens Lane in Conisbrough, South Yorkshire, England.

The Academy is sponsored by Delta Academies trust who also support many other schools in Doncaster.

The school was the centre of controversy in the early 2000s due to a proposal to convert it into an academy run by the Emmanuel Schools Foundation, a Christian charity.

The proposal was withdrawn in 2004 after legal threats by the National Secular Society.

[2][3] The school was part of the Doncaster Collegiate Sixth Form which combined the sixth form offering from Ash Hill Academy, De Warenne Academy, Don Valley Academy, Rossington All Saints Academy and Serlby Park Academy however this was discontinued after several years.