With effect from 1 September 1941, Jewish children were only allowed to visit schools that were exclusively intended for Jewish children. Schools for Jewish pupils and students only were set up in all parts of the country. Only Jewish staff could be assigned to these schools. In The Hague on 15 October 1941 the Jewish Lyceum was opened at Fisherstraat 135. This Jewish Lyceum continued until November 26, 1942, after which the school was moved to the Bezemstraat under the name Jewish School for Secondary Education. The school continued to exist until 15 April 1943.
Philip de Beer was appointed 15 October 1941 and employed to 11 December 1942 as laboratory assistant to the Jewish Lyceum. Prior to his appointment at the Jewish Lyceum, he was a mechanic and instrument maker at the municipal water company in Den Haag. As a Jewish functionary he was dismissed there at the end of 1940.
Wally de Lang, Final chord of childhood. Memories to the Jewish Lyceum Fisherstraat Den Haag 1941-1943 (Den Haag 2003) pages 17-18, 246.