Army Public School Roorkee was established in 1990 by converting the erstwhile Bengal Sappers Knox Memorial School. The school is affiliated to CBSE in 1990 vide CBSE, New Delhi letter No. CBSE/Aff/21439/90 2132-35 dated 27 Jul 90.

Army Public School, Roorkee is in Central Command and its Patron is GOC, UB Area. The Chairman is Station Commander, Roorkee. The Managing Committee helps in organizing the day-to-day functions of the school. The Managing Committee is constituted by the representatives of various Army units, teachers, parents, and educationists. This school became a Secondary School in 1990 and a Senior Secondary School in 1992-93 with science stream. The commerce Stream was introduced from the academic session 1994-95. Humanities have been started from the academic Session 2000-2001.

From 1st July 2011, Army Public School Roorkee has been re-designated as Army Public School No.1, Roorkee