Gilmer ISD had the highest enrollment among Upshur County districts, with 2,946 students during the 2024-25 school year, according to the Texas Education Agency.
Of all students enrolled in the 2024-25 school year, 52% were boys, and 48% were girls.
Data also showed that most of the students were white, representing 55.8% of the Gilmer ISD total enrollment.
Among the seven districts in Upshur County, New Diana ISD ranked second in enrollment numbers with 1,136 students, while Harmony ISD enrolled 895 students and ranked third in the 2024-25 school year.
Gilmer ISD roughly covers schools within Upshur County with its main office in Gilmer.
In the previous school year, Gilmer ISD also had the largest number of students among Upshur County districts.
Texas has the nation’s second-largest K-12 public school system, serving about 5.5 million students with a student-to-teacher ratio of roughly 15:1.
About 42,103 teachers in Texas, or 12% of the state’s 352,234 teachers, did not hold an active teaching certificate during the 2024-25 school year, according to a report from the Texas Education Agency. The share of uncertified teachers has increased from 3.8% in the 2019-20 school year.
A 2026 study by WalletHub classified Texas as one of the least-educated states in the U.S., ranking it 41st out of 50 in educational quality and student outcomes.
| District | City (Main Office) | Total enrollment |
|---|---|---|
| Gilmer ISD | Gilmer | 2,946 |
| New Diana ISD | DIANA | 1,136 |
| Harmony ISD | Big Sandy | 895 |
| Ore City ISD | Ore City | 788 |
| Union Grove ISD | Gladewater | 720 |
| Big Sandy ISD | Big Sandy | 649 |
| Union Hill ISD | Gilmer | 282 |
Information in this article was obtained from the Texas Education Agency. The source data can be found here.
