However, after the redevelopment of the school buildings, all departments were moved onto the main site, which catered for all ages, including years 7 to 13 and ATG.
The buildings at the middle school site, which was under redevelopment from early 2009, were demolished and replaced with housing.
The new school buildings are on a single site in Aberthin Road; the development is estimated to have cost £21.5 million.
[4] In the same year, the Vale of Glamorgan Council decided to amend the design of the reception area and extend sixth-form provision, the number of pupils having risen from 312 in 2013 to an estimated 406.
[5] In 2013, the Vale of Glamorgan Council passed the trusteeship of the Cowbridge Comprehensive School Trust to the Sir Thomas Mansel Franklen Trust, an arrangement that was inherited from the original Cowbridge Grammar School (whose main buildings were sold and redeveloped as apartments).