 Under Flinner, Northwood continued to expand its physical plant and increase enrollment.In 1934 Northwood School received its charter by the Regents of the State of New York, and was made a not for profit institution governed by a Board of Trustees.In the summer of 1944, the U.S. Army took over control of Northwood's buildings for use as a medical unit within the redeployment center in Lake Placid, NY.