Richfield Middle School 7461 Oliver Ave S, Richfield, MN55423 Richfield Middle School was established at the beginning of the 1999-00 school year. Prior to that, the school was known…More as Richfield Junior High and taught seventh and eighth graders. With the reinvention of the facility into a middle school, sixth grade was added to the academic structure. In addition to standard and mandatory courses, students in each grade level have the opportunity to take exploratory classes such as general music, band, choir, Spanish, computer skills, technology, art, health and physical education. Generally, students take two of these courses each quarter, on alternating days. These classes allow students to get a taste of elective courses that can be taken in high school, which is just a couple short years away.