Main character
Sabrina Carpenter as Sindy (16)
Sofia as Lisa (18)
Sindy's older sister
JLo as Miss Apple (34)
Their adopted mother
Miss Hen (37)
Mean teacher
Jisoo (18)
Lisa's best friend
Ariana (18)
Lisa's other friend
China as Tina (16)
Sindy's best friend
Alessia (16)
Sindy's other Bestie
Alicia keys as Miss Queen (31)
Amazing teacher
Kylie Jenner as Emily (16)
Mean girl
Gigi as Rose (16)
Mean girl's best friend