Set on 42 acres of land, Preston International boasts of pollution free air and a tranquil environment conducive to learning and meditation. The buildings are all purpose-built and designed to create a home away from home through the development of highly effective and functional buildings which exude fun and relaxation and are responsive to this country-side location. The facilities being developed at the school site comprise:
Administrative Block - housing the offices of the Principal, Vice Principal, Office Staff, Medical/Welfare, Staff Room, Finance and Caretakers.
Teaching Rooms – 14 Classrooms, 4 Science Laboratories, 2 Networked ICT Rooms with Internet access, Design and Technology Workshops, Art Rooms, Music & Drama Studios.
General - Assembly Hall, Dining Hall, Tuck Shop (the 'Rotunda') and Toilets.
Sports Facilities – Sports Hall, Swimming Pool, Olympic size Sports field
Boarding Facilities – Students hostels are purpose-built with adequate conveniences (showers, toilets and laundry areas), Common Rooms with adjoining flats for staff members who take on the roles on house-parents.
- A - Administrative Block, JSS Classrooms, Library, ICT Suites, Laboratories and Art Studios
- B - 'Rotunda' - Tuck Shop
- C - Girls' Hostels
- D - Staff Quarters
- E - Dining Hall
- F - Kitchen
- G - Health Centre
- H - Gymnasium
- I - Sports Field
- J - Swimming Pool
- K - Boys' Hostels
- L - School Chapel
- M - SSS Block (Senior Secondary School)