Historical Names Given to Yeargroups in the German Gymnasium

When primary school ended with the fourth grade and pupils left German basic secondary schools at the end of the ninth or tenth grade, the gymnasium used special terms for its grade levels:

School year Year in gymnasium
Fifth Sexta
Sixth Quinta
Seventh Quarta
Eighth Untertertia (lower Tertia)
Ninth Obertertia (upper Tertia)
Tenth Untersekunda (lower Secunda)
Eleventh Obersekunda (upper Secunda)
Twelfth Unterprima (lower Prima)
Thirteenth Oberprima (upper Prima)