Army Public Schools & Colleges System or APSACS is one of the largest educational institutions of Pakistan which provides education till intermediate. APSAC System operates in 18 regions across Pakistan, with supervision by 18 Regional Directors. APSACS Secretariat serves as central unifying body, which controls technical aspects of the system. The Director of APSACS is Ms. whereas Deputy Director General is Brigadier (R) Muhammad Ramzan SI (M). The largest region of the system is Rawalpindi X Corps (Pakistan) Region. The Regional Director of X Corps (Pakistan) Region is Brigadier General (R) SI (M).