It is the fourth new school project secured by Interserve this year after being named preferred bidder for three new schools in the West Midlands.
Interserve Construction will be responsible for the construction of the new school offering an extra 150 new school places.
When complete Saddleworth School will accommodate up to 1,500 students aged 11 to 16.
The existing school has been identified as not fit for purpose. The new school will be designed to accommodate the growing needs of both pupils and the local community and it will be tailored to meeting and exceeding the needs of modern school education provision.