Jefferson County Open Secondary School
| Name | Jefferson County Open Secondary School |
| Grades | Class 07 to Class 12 |
| Address | 7655 WEST 10TH AVENUE |
| City | Lakewood |
| School District | Jefferson County School District No. R-1 |
| County | Jefferson County |
| Zipcode | 80215 |
| Phone No. | (303)982-7045 |
| State | Colorado |
| City | Midsize |
| Students | 316 |
| Teachers | 20 |
| Student Teacher Ratio | 15.8 students per teacher |
| Charter School | No |
| Magnet School | No |
Jefferson County Open Secondary School is located at 7655 WEST 10TH AVENUE in Lakewood city of Jefferson County county in Colorado. This school comes under Jefferson County School District No. R-1. You can call them at (303)982-7045 for more details. This is not a magnet school. Total three hundred sixteen students from class 07 to class 12 study in this school who are taught by twenty teachers. This is not a charter school. The student teacher ratio of this school is 15.8.