 In March 1920 he was transferred to the Infantry Officer-Cadet School ("Szkoła Podchorążych Piechoty") in Warsaw as a company commander, then a battalion commander.From September 1921 to September 1923 he attended the War College ("Wyższa Szkoła Wojenna") in Warsaw.After graduating with a General Staff officer's diploma, he returned to the Infantry Officer-Cadet School as a battalion commander.