Afterschool Activities at Cynthia Heights includes:
- Student Leadership Council (Grades 4-5)
- Choir (Grades 4 & 5)
- Safety Patrol (Grade 5)
- Boys' and Girls' Varsity Basketball (Grades 4 & 5)
- Cheerleading and Pom Pon (Grade 5)
- Chess Club (Grades K-5)
- Cynthia Heights Girls Vollyball Team (Grades 4-5)
- Safety Patrol (Grade 5)
- Fire Wardens (Grade 5)
- Mascots (Grade 5)