sentences:  Its main education board of choice is CCEA, but the school also uses AQA and Edexcel for certain subjects.In 2018 it was ranked joint first in Northern Ireland for its GCSE performance with 100% of its entrants receiving five or more GCSEs at grades A* to C, including the core subjects English and Maths.in 2019 the school was ranked 11th out of 159 secondary schools in Northern Ireland with 88.4% of its A-level students who entered the exams in 2017/18 being awarded three A*-C grades.