Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 106 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 115 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 130 Deprecated: Return type of Phpfastcache\Util\ArrayObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 48 Deprecated: Return type of Phpfastcache\Util\ArrayObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 56 Deprecated: Return type of Phpfastcache\Util\ArrayObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 80 Deprecated: Return type of Phpfastcache\Drivers\Memcached\Item::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Item/ItemExtendedTrait.php on line 438 Best Public Middle Schools in 78570 (Mercedes, TX) (2026)
Public School Review - Established 2003

Best 78570 Texas Public Middle Schools (2026)

For the 2026 school year, there are 4 public middle schools serving 1,120 students in 78570, TX.
The top-ranked public middle schools in 78570, TX are Sgt Manuel Chacon Middle School and Sgt William G Harrell Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public middle schools in zipcode 78570 have an average math proficiency score of 27% (versus the Texas public middle school average of 43%), and reading proficiency score of 33% (versus the 52% statewide average). Middle schools in 78570, TX have an average ranking of 2/10, which is in the bottom 50% of Texas public middle schools.
Minority enrollment is 94% of the student body (majority Hispanic), which is more than the Texas public middle school average of 75% (majority Hispanic).

Best 78570, TX Public Middle Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sgt Manuel Chacon Middle School
(Math: 27% | Reading: 35%)
Rank:
2/
10
Bottom 50%
801 S Mile 1 E
Mercedes, TX 78570
(956) 514-2200
Gr: 6-9 | 518 students Student-teacher ratio: 14:1 Minority enrollment: 98%
Rank: #22.
Sgt William G Harrell Middle School
(Math: 21% | Reading: 31%)
Rank:
1/
10
Bottom 50%
2825 N Fm 491
Mercedes, TX 78570
(956) 514-2300
Gr: 6-8 | 390 students Student-teacher ratio: 13:1 Minority enrollment: 97%
Rank: n/an/a
Mercedes Daep
Alternative School
720 S Mile 1 E
Mercedes, TX 78570
(956) 514-5076
Gr: 2-12
Rank: n/an/a
South Texas Isd Virtual Academy
100 Med High Dr
Mercedes, TX 78570
(956) 514-4201
Gr: 6-12 | 212 students Student-teacher ratio: 13:1 Minority enrollment: 81%

Frequently Asked Questions

What are the top-ranked public middle schools in 78570, TX?
The top-ranked public middle schools in 78570, TX include Sgt Manuel Chacon Middle School and Sgt William G Harrell Middle School.
How many public middle schools are located in 78570?
4 public middle schools are located in 78570.
What is the racial composition of students in 78570?
78570 public middle schools minority enrollment is 94% of the student body (majority Hispanic), which is more than the Texas public middle schools average of 75% (majority Hispanic).

Recent Articles

AI Report Cards: Should Schools Evaluate AI Use?
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.

Quick Links

School Search Tools:
School by Type (TX):
Private & Boarding Schools:
State Links: