Complex sentence: The Piper case has gone on to became a landmark case and viewed as the legal authority guaranteeing Native American children the right to attend public schools, and has been used as precedence in other cases such as Brown v. Board of Education.
Split into simpler sentences: The Piper case has become a landmark case and is viewed as the legal authority guaranteeing Native American children the right to attend public schools. It has been used as precedence in other cases such as Brown v. Board of Education.