Hartford-Sumner Elementary School
| Name | Hartford-Sumner Elementary School |
| Grades | Class PK to Class 06 |
| Address | 145 Main Street |
| City | Sumner |
| School District | RSU 10 |
| County | Oxford County |
| Zipcode | 04292 |
| Phone No. | (207)388-2681 |
| State | Maine |
| Rural | Distant |
| Students | 279 |
| Teachers | 29 |
| Student Teacher Ratio | 9 students per teacher |
| Charter School | No |
| Magnet School | No |
Hartford-Sumner Elementary School is located at 145 Main Street in Sumner city of Oxford County county in Maine. This school comes under RSU 10. You can call them at (207)388-2681 for more details. This is not a magnet school. Total two hundred seventy nine students from class PK to class 06 study in this school who are taught by twenty nine teachers. This is not a charter school. The student teacher ratio of this school is 9.