- Sudden drop or gradual lowering of grades and achievement levels (reasons unclear).
- Academic failure (sudden).
- Skipping of classes or days at school.
- Dropping out of sports and other extra-curricular activities.
- Disrespect/defiance towards teachers, rules, and regulations.
- Suspensions/expulsions.
- Inattentive in class.
- Increase in disciplinary actions.
- Sleeping in class.
- Wandering in hallways or school grounds.
- Frequently asking to be excused.
- Lack of response to concern expressed by teacher, guidance counsellor, or any school staff regarding any of the above.
- Excessive use of cell phone, excessive texting.
- Writing drug slang or phrases on school notebooks and yearbook.