Pattonville High School summer school offered via online classes High School Published: 01 May 2020 Pattonville High School will offer credit advancement and credit recovery classes for summer school via online classes. Classes begin June 2. During the summer session, students can earn up to one credit or enroll in two courses. Incoming ninth graders for the 2020-2021 school year may enroll in ninth grade physical education and/or health. To find out more information, including how to enroll, go online at bit.ly/PHSsummer2020.