Resulting from an extensive and on-going refurbishment programme, Lisnagarvey offers its pupils the most up-to-date facilities for academic, social and recreational development. Purpose-built units for Science, Music, Technology and Design, Educational Technology and Career Guidance provide excellent working conditions in these important areas of the curriculum.

The excellent environment in which Lisnagarvey pupils work has been further enhanced by the new ICT facilities, which were upgraded in 2023. The majority of classrooms are now equipped with Interactive Whiteboards and Panels, allowing teachers to cater for different learning styles and increase student interactivity in lessons.

A high level of staff commitment and expertise gives pupils the opportunity to experience a wide range of extra-curricular activities.

The school features a state-of-the-art fitness suite comprising of fixed and loose weight stations, running machines, aerobics machines, cross trainers, step machines and bike trainers.

The school library provides resources to support the curriculum for both pupils and staff. As well as allowing for independent study the library promotes reading as a fun and leisure activity through whole class and extra curricular activities. The library has recently been upgraded to facilitate the roll out of the Accelerated Reader Programme.