The Potomac School is an independent K–12 preparatory school in McLean, Virginia, USA located on one 90-acre campus, three miles (5 km) from Washington, D.C. Founded in 1904, the school emphasizes academic, athletic and artistic excellence together with character development and service. The Potomac School has four divisions: Lower School (K–3), Middle School (4–6), Intermediate School (7–8) and Upper School (9–12).