For the 2025 school year, there are 3 public schools serving 868 students in 78017, TX (there are , serving 30 private students). 97% of all K-12 students in 78017, TX are educated in public schools (compared to the TX state average of 94%).
The top ranked public schools in 78017, TX are Dilley Elementary School, Mary Harper Middle School and Dilley High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 78017 have an average math proficiency score of 21% (versus the Texas public school average of 41%), and reading proficiency score of 37% (versus the 51% statewide average). Schools in 78017, TX have an average ranking of 1/10, which is in the bottom 50% of Texas public schools.
Minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public school average of 75% (majority Hispanic).
Best 78017, TX Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Dilley Elementary School
(Math: 30-34% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
215 Harriman St
Dilley, TX 78017
(830) 965-1313
Dilley, TX 78017
(830) 965-1313
Grades: PK-5
| 435 students
Rank: #22.
Mary Harper Middle School
(Math: 10-14% | Reading: 35-39%)
Rank:
Rank:
1/
Bottom 50%10
240 W Fm 117
Dilley, TX 78017
(830) 965-2195
Dilley, TX 78017
(830) 965-2195
Grades: 6-8
| 167 students
Rank: #33.
Dilley High School
(Math: 15-19% | Reading: 25-29%)
Rank:
Rank:
1/
Bottom 50%10
1 Grey Wolf Dr
Dilley, TX 78017
(830) 965-1814
Dilley, TX 78017
(830) 965-1814
Grades: 9-12
| 266 students
78017, Texas Public Schools (Closed)
School
Location
Grades
Students
Big Foot Daep Middle School (Closed 2011)
Alternative School
245 Hwy 117
Dilley, TX 78017
(830) 965-1912
Dilley, TX 78017
(830) 965-1912
Grades: 6-8
| 3 students
Frequently Asked Questions
What are the top ranked public schools in 78017, TX?
The top ranked public schools in 78017, TX include Dilley Elementary School, Mary Harper Middle School and Dilley High School.
How many public schools are located in 78017?
3 public schools are located in 78017.
What percentage of students in 78017 go to public school?
97% of all K-12 students in 78017 are educated in public schools (compared to the TX state average of 94%).
What is the racial composition of students in 78017?
78017 public schools minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public schools average of 75% (majority Hispanic).
Recent Articles

Parents’ Guide to Special Education
Special education law is not easy to decipher, with several regulations that govern special education services for disabled students. In this article, learn about the core components of the laws, rights, and individual education plans that can help create the best public school environment for your child.

Surveillance Cameras: Violation of Rights or Improved Security?
A school district in Virginia has given the green light to schools that want to install surveillance cameras in common areas like cafeterias and hallways. We’ll look at whether this is a violation of student privacy or the best way to keep order in schools.

Teachers in 19 States Allowed to Physically Punish Students
As of 2014, nineteen states still allow corporal punishment – spanking and paddling the most common choices – in their public schools. However, some argue that not only are these punishments physically harmful, they also are disproportionately administered to students of color. As a result, House democrats have taken up the issue in a new bill that would ban all forms of corporal punishment nationwide.