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SCHOOL COMMUNITY·MERCEDES ISD·NCES 483025003388

MERCEDES H S

1200 S FLORIDA, MERCEDES, TX 78570 · (956) 514-2100 · Hidalgo County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL903 STUDENTS
Enrollment
903
High
DISTRICT 340 · STATE 796
Student : Teacher
14.8:1
61 FTE teachers
DISTRICT 13.9:1 · STATE 15.1:1
Free / Reduced Lunch
92%
831 students
DISTRICT 91% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
275
Grade 10
212
Grade 11
204
Grade 12
212
Student demographics
White
152%
DISTRICT 2% · STATE 24%
Hispanic
88298%
DISTRICT 98% · STATE 54%
Black
20%
DISTRICT 0% · STATE 13%
Two+
20%
DISTRICT 0% · STATE 3%
Native American
10%
DISTRICT 0% · STATE 0%
Pacific Islander
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
48454%
Female
41946%

Discussions

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Test scores

STAAR 2023-24 . % Meets Grade Level or Above
Reading
22.0%
TX avg 51.8% . +13.0pp since 2020
Mathematics
8.0%
TX avg 42.0% . +5.0pp since 2020
Source: STAAR. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
24.8%
composite math + reading, all grades
Predicted
33.7%
based on TX schools with similar FRL share
Beats by
-8.9pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
903
-193 (-18%) vs 2017
Student : Teacher
14.8:1
was 12.5:1
% White
2%
was 1%
% Hispanic
98%
was 99%
% Black
0%
was 0%
% Asian
0%
was 0%
Source: NCES Common Core of Data

About MERCEDES H S

As a mid-sized four-year high school in MERCEDES, Texas, MERCEDES H S works with 903 students from grades 9 through 12, one of the schools within MERCEDES ISD.

MERCEDES ISD runs 11 schools in total, collectively educating 4,207 students. MERCEDES H S is one of those campuses.

Demographically, MERCEDES H S reports that nearly all students (98%) are Hispanic.

On the income-and-resources front, On paper, MERCEDES H S has 61 full-time-equivalent teachers, translating to a class-load average of around 14.8:1. That tracks the state average closely. Roughly 92% of students at MERCEDES H S qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, MERCEDES H S tracks the demographic baseline. The model predicts 33.7% given the school's FRL share; actual proficiency is 24.8%.

In the broader community, the surrounding county (Hidalgo County) reports that median household earnings sit near $54,338, roughly 21% of adults have completed at least a four-year degree, and the poverty rate sits near 23%. Across Hidalgo County's 364 public schools (combined enrollment of about 212,859 students), MERCEDES H S is one campus in the mix.

TRAVIS EL is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools. On composite proficiency, MERCEDES H S comes 4th of 5 in the immediate cluster, beneath the nearby-schools average of 29.9%.

The campus sits in an outer-ring setting.

Looking at the recent track record. Over the past 7-year window, the student count contracted 18%: 1,096 students in 2018 compared to 903 in 2025. Class-load math has widened: from 12.5:1 in 2018 to 14.8:1 in 2025.

Within the allk12 community for this school, the feed for MERCEDES H S typically covers school events, parent volunteer needs, and clubs. Members of the school community can share what they know.

Hidalgo County at a glance

View full county profile
Population
891,977
Census ACS
Median income
$54,338
Household, ACS
Bachelor's+
21%
Adults 25+
Poverty rate
23%
Below federal line
Schools in county
364
212,859 students

Quick facts

School name
MERCEDES H S
District
MERCEDES ISD
Address
1200 S FLORIDA, MERCEDES, TX 78570
Phone
(956) 514-2100
County
Hidalgo County
Level
High
Grade range
09–12
Total enrollment
903
Teachers (FTE)
61
Student–teacher ratio
14.8:1
Free/Reduced lunch
831 (92%)
Locale
21-Suburb: Large
NCES ID
483025003388
Charter school
No
Virtual school
No

Related schools

Other schools in MERCEDES ISD
Other schools in MERCEDES
Nearby schools

Frequently asked questions

About MERCEDES H S
How many students attend MERCEDES H S?
MERCEDES H S enrolls approximately 903 students in grades 09-12.
What grades does MERCEDES H S serve?
MERCEDES H S serves grades 09-12.
What is the student-teacher ratio at MERCEDES H S?
The student-to-teacher ratio at MERCEDES H S is approximately 14.8:1 (61 FTE teachers).
How diverse is MERCEDES H S?
MERCEDES H S reports a student body of 2% White, 98% Hispanic, 0% Black, 0% Two or more.
Who oversees MERCEDES H S?
MERCEDES H S is overseen by MERCEDES ISD in Hidalgo County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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