Rockford Lutheran School is a private K-12 school in Rockford, Illinois. Established in 1964, Rockford Lutheran School is associated with 25 area Lutheran Churches. The Lutheran churches have associations with both ELCA and LCMS. Students attend more than 100 area churches; 49% attend a Lutheran church. More than 2,000 students have graduated from Rockford Lutheran High School since the first graduating class in 1969. The school's mascot is the Crusader and the school colors are purple and white.