[1] In 2020, the Sunday Times placed Antrim Grammar in the Top 20 Schools in Northern Ireland for GCSE and A level examination success.

They also take many trips, including school visits to America, Iceland, Rome, Paris, Poland, Bolivia, Italy, France and South Africa.

In September 2001, after several years of planning and preparation, a £7.5 million refurbishment and rebuilding programme commenced at Antrim Grammar School.

[5] This affected Antrim Grammar and has made traffic in the school more organised, as well as providing a new car park for teachers and pupils.

In January 2021, Antrim Grammar confirmed the completion of three new modular classrooms which were built to accommodate the increased demand for places at the school.