Final answer:
The context in which 7th and 8th graders were permitted to do something is not clear. However, historical cases such as Wisconsin v. Yoder (1972) recognized the rights of students in matters of education and may relate to the permissions of 7th and 8th graders in certain contexts.
Step-by-step explanation:
The question "7th and 8th graders were permitted in what year?" is somewhat ambiguous as it lacks context regarding what the 7th and 8th graders were permitted to do. However, we can infer some possibilities related to education and the rights of students from the historical details provided.
For example, we know from the case of Wisconsin v. Yoder that in 1972, the rights of the Amish to stop formal schooling after the eighth grade were recognized by the Supreme Court. Additionally, the case of Mills v. Board of Education in 1972 set a precedent for universal access to education, which could have implications for students of various age groups, including 7th and 8th graders. The issue of students' rights of expression, which led to injunctions and court actions as described in other cases, might also be a point at which 7th and 8th graders were permitted to exercise certain freedoms within the educational context.