Assistant Principal Berggren retires from SMUHSD 3 min read News Assistant Principal Berggren retires from SMUHSD Isabella Krzesniak May 23, 2019 Ron Berggren, assistant principal and former social studies teacher, will retire after working at Aragon for 10...Read More
Berggren becomes interim Assistant Principal 3 min read News Berggren becomes interim Assistant Principal Richard Yu September 17, 2015 Introduces Berggren as the new Assistant PrincipalRead More
