Serious incidents run well below the district average, and this school reports across every data category — a strong sign the numbers reflect reality.
| CATEGORY | COUNT | TIER |
|---|---|---|
| Firearm or explosive possession | 1 | Serious |
| Homicide | 0 | Serious |
| Physical attack with weapon | 0 | Serious |
| Rape / sexual assault | 0 | Serious |
| Referral to law enforcement | 0 | Serious |
| Robbery with weapon | 0 | Serious |
| School-related arrest | 0 | Serious |
| Threat of attack with weapon | 0 | Serious |
| Harassment on basis of race/sex/disab. | 0 | Moderate |
| Physical attack without weapon | 66 | Moderate |
| Robbery without weapon | 0 | Moderate |
| Sexual harassment | 0 | Moderate |
| Threat of attack without weapon | 58 | Moderate |
| Bullying / harassment (general) | 0 | Minor |
Arroyo High ranks #4 of 6 scoreable schools in this district.
| SCHOOL | GRADES | SCORE | GRADE |
|---|---|---|---|
| Rosemead High | 09–12 | 43 | A |
| South El Monte High | 09–12 | 31 | A |
| Fernando R. Ledesma Continuation High | 10–12 | 29 | A |
| El Monte High | 09–12 | 11 | A |
| Mountain View High | 09–12 | 10 | A |
| El Monte Union High School Community Day | 09–12 | — | A |