Harlingen's Horizon Montessori Iii is a Public School, Charter school Serving students in Grades PK-06.
87.74% of students at this school are Hispanic
| Grades Offered | Grades PK-06 |
| Total Students | 155 |
| Student:Teacher ratio | 16:1 |
| Gender % | 47.10 % Male / 52.90 % Female |
| Total Classroom Teachers | 9.56 |
| Student Population at Horizon Montessori Iii by Grade | |
| Magnet School | |
| Charter School | |
| Shared School | |
| Title 1 Eligible |