It became an official secondary grammar school in 1916 ending with a school-leaving exam and giving the opportunity to apply to higher education.

From 1948 the school was called Tóth Pál Nőnevelő Intézeti Leánylíceum és Tanítóképző, named after its former headmaster.

In the 1960s modern language teaching started, students could learn English, Russian, German, French, Italian and Latin.

(Zrínyi Ilona Gimnázium Évkönyve 2011) Throughout the years, the school has managed to build international connections.

ZIG had its building in Kálvin János Street in Miskolc, but in 1995 it had to move with its 600 students, 53 teachers, educational tools and furniture.