Complex sentence: Alcester High School is located on the site of the old Greville High School (named after Fulke Greville, 1st Baron Brooke) which opened in 1966, when Greville closed in 1985 the students were transferred to Alcester High along with those from Bidford High School.
Split into simpler sentences: Alcester High School is located on the site of the old Greville High School (named after Fulke Greville, 1st Baron Brooke) which opened in 1966. When Greville closed in 1985, the students were transferred to Alcester High along with students from Bidford High School.