The contracts, together worth £48m, were awarded through hub South East Scotland.
Following financial close, Morrison Construction will undertake construction of new premises for Kelso High School in the Scottish Borders and Newbattle Community High School in Midlothian.
Work will start in 2014 and completion of construction is expected in 2016.
In addition to the preferred contractor appointment, Morrison’s facilities management business has been selected as preferred bidder to provide ongoing hard facilities maintenance and lifecycle management to both schools. This contract is expected to be worth up to a further £17m over the 25-year concession period.
Morrison Construction is part of the Galliford Try group.