Thomas Eastman's son, Thomas Eastman junior, taught at first at his father's school but in 1881 opened his own school at Wallington, Hampshire, also called Eastman's Royal Naval Academy.
Thomas Eastman's son, Thomas Eastman junior, had taught at the school in 1872, around the time that he was attending or due to attend the University of Cambridge. In 1881, he opened his own school at Wallington, Hampshire, also called Eastman's Royal Naval Academy.