About Arlington Public Schools Arlington County is located across the Potomac river from Washington, D.C. Arlington Public Schools (APS) is the thirteenth-largest of Virginia’s 132 school divisions and has a total FY19 budget of more than $637M. APS includes 33 schools covering a population of 26 square miles and 225,200 people. Projected pre-K-12 enrollment for Read more about Arlington Public Schools Project Management Information System is Live![…]