- Yaya (5th Grade President)
- Ying (5th Grade Vice President)
- Gopal (Assistant Monitor)
Outside 5th Grade
(both unnamed students appeared in Season 2, Episodes 1, 2 and 12)
- Teacher Timi - English Teacher
- Teacher Papa Zola - Mathematics and P.E. teacher and also a Football referee
- Unnamed Principal (female)
- Canteen Lady
- Disciplinary Teacher
- Gardener (Pak Cik Ali from Detektif Yaya Book #4)
- Lady Guard
- Mama Zila
- Puan Anne (From Detektif Yaya Book #4)
- Stadium Oval - located at the back of the school where BoBoiBoy and Fang complete in the game of Sprint Race and the sprint race.
- Canteen - like other schools, there is also a canteen.
- So far the known rules is "not allowed to bring camera to school"(Episode 29) but Gopal disobeyed it.
- "On time means late" is also a rule in the school (Episode 31).
- In the staff room, there are warning signs that said "To the students, no entry" (Episode 31).
When Gopal though that PETAI will attack BoBoiBoy and the rest after capturing Ochobot, he suddenly drilled underground which causes to shake above and destroyed the school building, the shaking was only stopped by BoBoiBoy Quake.