In September 2001, after several years of planning and preparation, a £7.5 million refurbishment and rebuilding programme commenced at Antrim Grammar School. The programme was completed in January 2004. There were several phases to the work undertaken by the
NEELB, McCombe Brothers, Samuel Stevenson & Sons; and Williams & Shaw. After completion, every department now has access to
Interactive whiteboards and
Information Technology cluster areas. The school now has a new multi-purpose
Learning Resource Centre, with its computing and
library facilities. The school also received a new lecture theatre. In 2015, Parkhall College commenced construction on their new building and facilities. Mainly completed in 2018, this included new pitches and a new entrance to the schools. 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. Antrim Grammar also shares joint access to some of the pitches. However, over the 2019/20 academic year, Antrim Grammar and Parkhall have two new multi-purpose pitches, situated on the site of the old Parkhall school. 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. Other refurbishments completed were the renovation of the ICT suite. == Sports ==