This article presents the case of Mendez v. Westminster, the case which desegrated the California Public Schools in 1944, prior to Brown V. Board of Education. If you are interested in presenting this case to your children, there is an book by Duncan Tonatiuh, Separate is Never Equal, which explains this case.
In May, 1963, thousands of children marched for civil rights in Birmingham, Alabama. This was a remarkable event of civil action taken by children, yet many of us did not learn this in school. This article gives you information about this march.