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SCHOOL COMMUNITY·NORTHSIDE ISD·NCES 483312012627

MIRELES EL

12260 ROCKWALL MILL, SAN ANTONIO, TX 78253 · (210) 398-1500 · Bexar County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL789 STUDENTS
Enrollment
789
Elementary
DISTRICT 545 · STATE 519
Student : Teacher
13.8:1
57 FTE teachers
DISTRICT 13.0:1 · STATE 15.1:1
Free / Reduced Lunch
29%
228 students
DISTRICT 54% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
64
Kindergarten
92
Grade 1
107
Grade 2
125
Grade 3
124
Grade 4
143
Grade 5
134
Student demographics
White
21527%
DISTRICT 16% · STATE 24%
Hispanic
36246%
DISTRICT 68% · STATE 54%
Black
8110%
DISTRICT 7% · STATE 13%
Asian
658%
DISTRICT 4% · STATE 6%
Two+
628%
DISTRICT 5% · STATE 3%
Native American
20%
DISTRICT 0% · STATE 0%
Pacific Islander
20%
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
40451%
Female
38549%

Discussions

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Test scores

STAAR 2023-24 . % Meets Grade Level or Above
Reading
55.0%
TX avg 51.8% . +18.0pp since 2020
Mathematics
48.0%
TX avg 42.0% . +9.0pp 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
48.5%
composite math + reading, all grades
Predicted
61.3%
based on TX schools with similar FRL share
Beats by
-12.8pp
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
789
-156 (-17%) vs 2017
Student : Teacher
13.8:1
was 16.9:1
% White
27%
was 36%
% Hispanic
46%
was 41%
% Black
10%
was 11%
% Asian
8%
was 6%
Source: NCES Common Core of Data

About MIRELES EL

MIRELES EL is one of the roomy primary schools in SAN ANTONIO, Texas, operated by NORTHSIDE ISD, with 789 students on its rolls from grades pre-K through 5. Compared to the state average of about 519 students per school, that is 52% above typical.

NORTHSIDE ISD comprises 128 schools with combined enrollment of 100,435 students; MIRELES EL is among them.

On the student-mix side, MIRELES EL reports that the largest single group is Hispanic at 46%, but no single group is in the majority. Other groups include 27% White, 10% Black, 8% Asian, 8% multiracial. By comparison, Bexar County as a whole is about 60% Hispanic, so the school skews meaningfully less Hispanic than its surroundings.

On the income-and-resources front, On paper, MIRELES EL has 57 full-time-equivalent teachers, translating to a class-load average of around 13.8:1. The state averages around 15.1:1, so this campus is tighter than the state norm typical. An estimated 29% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Bexar County (around 63%), the school's rate is south of typical.

On a demographically-adjusted basis, MIRELES EL performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 61.3%, the actual is 48.5%, a residual of -12.8 points.

Around the school, Bexar County reports that the typical household earns roughly $72,341 per year, 32% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 11%. MIRELES EL is one of 638 public schools in Bexar County (combined enrollment of about 368,487 students).

SST NORTHWEST is the nearest neighboring public school, about 0.8 miles from this campus. Counting just inside five miles, 8 other public schools cluster around MIRELES EL. Among the 8 schools in that immediate cluster with test data (this one included), MIRELES EL ranks 4th on composite proficiency, below the local average of 49.1%.

The campus sits in a commuter-belt setting.

Looking at the recent track record. Looking back 7 years, enrollment at MIRELES EL has declined 17%, going from 945 students in 2018 to 789 in 2025. White enrollment moved from 36% to 27% across the same window. The student-to-teacher ratio tightened from 16.9:1 in 2018 to 13.8:1 today.

Inside the community feed, the feed for MIRELES EL typically covers sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.

Bexar County at a glance

View full county profile
Population
2,067,341
Census ACS
Median income
$72,341
Household, ACS
Bachelor's+
32%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
638
368,487 students

Quick facts

School name
MIRELES EL
District
NORTHSIDE ISD
Address
12260 ROCKWALL MILL, SAN ANTONIO, TX 78253
Phone
(210) 398-1500
County
Bexar County
Level
Elementary
Grade range
PK–05
Total enrollment
789
Teachers (FTE)
57
Student–teacher ratio
13.8:1
Free/Reduced lunch
228 (29%)
Locale
21-Suburb: Large
NCES ID
483312012627
Charter school
No
Virtual school
No

Related schools

Other schools in NORTHSIDE ISD
Other schools in SAN ANTONIO
Nearby schools

Frequently asked questions

About MIRELES EL
How many students attend MIRELES EL?
MIRELES EL enrolls approximately 789 students in grades PK-05.
Is MIRELES EL an elementary, middle, or high school?
MIRELES EL is an elementary school covering grades PK-05.
What is the student-teacher ratio at MIRELES EL?
The student-to-teacher ratio at MIRELES EL is approximately 13.8:1 (57 FTE teachers).
What is the racial breakdown of students at MIRELES EL?
At MIRELES EL, the student body is approximately 27% White, 46% Hispanic, 10% Black, 8% Asian, 8% Two or more.
Who oversees MIRELES EL?
MIRELES EL is overseen by NORTHSIDE ISD in Bexar County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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