~Shoto Todoroki here~
Heres more than 4...:
Unexplainable injuries
Lost or destroyed clothing, books, electronics, or jewelry
Frequent headaches or stomach aches, feeling sick or faking illness
Changes in eating habits, like suddenly skipping meals or binge eating. Kids may come home from school hungry because they did not eat lunch.
Difficulty sleeping or frequent nightmares
Declining grades, loss of interest in schoolwork, or not wanting to go to school
Sudden loss of friends or avoidance of social situations
Feelings of helplessness or decreased self esteem
hope this helps :))