Arroyo High School
| Name | Arroyo High School |
| Grades | Class 09 to Class 12 |
| Address | 4921 N. Cedar Ave. |
| City | El Monte |
| School District | El Monte Union High |
| County | Los Angeles County |
| Zipcode | 91732-1099 |
| Phone No. | (626)444-9201 |
| State | California |
| Suburb | Large |
| Students | 1924 |
| Teachers | 78 |
| Student Teacher Ratio | 24.7 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Arroyo High School is located at 4921 N. Cedar Ave. in El Monte city of Los Angeles County county in California. This school comes under El Monte Union High. You can call them at (626)444-9201 for more details. This is not a magnet school. Total one thousand nine hundred twenty four students from class 09 to class 12 study in this school who are taught by seventy eight teachers. This is not a charter school. The student teacher ratio of this school is 24.7.