 Curriculum in German was introduced again in 1958 with the Bilateral Collaboration Agreement on Culture and Education between the Federal Republic of Germany and the Republic of Turkey.Last students of the regular high school curriculum would graduate in 1962, and the school started to admit girls in 1962, although the boarding was only provided to boys.The school remained a 7-year secondary school (1 year of preparatory, 3 years of middle school, and 3 years of high school).