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#5346 of 8,547 schools in TX

Southwest Preparatory School-northwest

High School · SOUTHWEST PREPARATORY SCHOOL

6535 CULEBRA RD, San Antonio, TX 78238

Charter

Enrollment

136

Student-Teacher

10.5:1

Score

5.7

Grades

6th – 12th

Updated 2022-23

How this school compares

In San Antonio

#217 of 516

public schools

Texas high schools

#1,292 of 1,699

In district

#5 of 6

SOUTHWEST PREPARATORY SCHOOL

School environment

9.6 / 10

Exceptional

About Southwest Preparatory School-northwest

Southwest Preparatory School-Northwest serves 136 students in grades 6-12 as a charter alternative school in San Antonio, Texas. With 13 full-time equivalent teachers, the school maintains an intimate learning environment with a 10.5:1 student-teacher ratio, allowing for personalized attention and support. The school has earned recognition for its effectiveness, receiving a 7.3 out of 10 rating from MySchoolScout and ranking impressively at #25 out of 8,598 schools statewide, placing it in the 100th percentile among Texas schools.

This exceptional ranking suggests the school is successfully meeting the unique needs of its student population through its alternative educational approach. As an alternative school, Southwest Preparatory School-Northwest likely serves students who benefit from non-traditional educational settings, whether due to academic challenges, scheduling needs, or other circumstances that make conventional schooling difficult. The small class sizes and specialized focus create an environment where students can receive the individualized support they need to succeed academically.

The school is situated on Culebra Road in San Antonio's 78238 ZIP code area, a diverse community with a median household income of $54,287 and home values averaging $180,900, providing an accessible urban setting for families seeking alternative educational options.

What Parents Should Know

With an enrollment of 136 students, Southwest Preparatory School-northwest is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

Southwest Preparatory School-northwest is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress5.7Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-6.12 pts/yr
Data Period2019–2021
TrendDeclining
Academics1.5Significantly Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency2.5%
Reading/ELA Proficiency17%
Overall Proficiency10%
Expected (poverty-adj.)32%
vs. Expected-22.1 pts
Adjusted Percentile2th
College Readiness6.6Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment9.6Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio10.5:1
Per-Pupil Spending$14,048

Southwest Preparatory School-northwest — Students at Southwest Preparatory School-northwest score 10% proficient, which is below what's typical for similar communities (expected: 32%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

76.5%

Students qualifying for federal meal assistance

Test Scores TX EDFACTS (2020-21)

Math Proficiency 9.8%
School
State
N/A
ELA Proficiency 22.0%
School
State
N/A

Based on 4 test records from TX state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
17%
ELA
27%
2021*
Math
2.5%
ELA
17%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 5.7/10.

How Southwest Preparatory School-northwest Compares

See how Southwest Preparatory School-northwest performs across key quality dimensions compared to state benchmarks.

Overall Score
5.7/10
38th percentile in TX
Academic
1.5/10
1.5/10
Growth
5.7/10
Above average
Environment
9.6/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
77%
Teaching Staff
11:1 student-teacher ratio
13 teachers

Location

6535 CULEBRA RD, San Antonio, TX 78238

Nearby Alternatives

Families considering Southwest Preparatory School-northwest may also want to explore other high schools in the area. PREMIER HIGH SCHOOL-SAN ANTONIO INGRAM (rated 6.7/10, 1.2 miles away, in nearby Lewisville), which scores slightly higher. Additionally, HOLMES H S (rated 5.7/10, 0.9 miles away), with a very similar rating. For more schools in San Antonio, see our San Antonio schools guide .

Nearby Schools

20 within 2.3 mi
School Distance Rating
SOUTHWEST PREP NORTHWEST EL San Antonio 0.0 mi 4.9
LINTON EL San Antonio 0.5 mi 3.4
HOLMES H S San Antonio 0.9 mi 5.7
ROSS MIDDLE San Antonio 1.0 mi 4.8
ESPARZA EL San Antonio 1.1 mi 7.1
PREMIER HIGH SCHOOL-SAN ANTONIO INGRAM Lewisville 1.2 mi 6.7
MARTIN EL San Antonio 1.3 mi 4.6
PASSMORE EL San Antonio 1.6 mi 4.0
JUBILEE SCHOOL OF INNOVATION AND ARTS San Antonio 1.7 mi 5.7
JUBILEE WESTWOOD San Antonio 1.7 mi 2.8
POWELL EL San Antonio 1.7 mi 5.6
IDEA INGRAM HILLS COLLEGE PREPARATORY San Antonio 1.7 mi 8.2
IDEA INGRAM HILLS ACADEMY San Antonio 1.7 mi 5.9
THE GATHERING PLACE San Antonio 2.0 mi 6.0
JONES MIDDLE San Antonio 2.1 mi 6.2
VILLARREAL EL San Antonio 1.9 mi 6.7
L B JOHNSON EL San Antonio 2.0 mi 6.1
SST DISCOVERY San Antonio 2.4 mi 3.6
LEON VALLEY CHRISTIAN ACADEMY San Antonio 2.4 mi 7.0
CARLOS COON EL San Antonio 2.3 mi 5.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 78238 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$56,227

Median Home Value

$191,300

Median Rent

$1,183/mo

Population

26,250

College Educated

20.5%

Homeownership

45.5%

Avg Commute

25.3 min

Poverty Rate

11.6%

Median Age

33.9

Community Profile

The community surrounding Southwest Preparatory School-northwest has a median household income of $56,227. It is a community where 21% of adults hold a bachelor's degree or higher. The median home value in the area is $191,300, with a median rent of $1,183/month. The area has a poverty rate of 11.6%. The average commute for residents is 25 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
BOOKER T WASHINGTON H S Conroe, TX 5.7
BRACKETT H S Brackettville, TX 5.7
BRAZOS H S Waco, TX 5.7
CONCORDIA HIGH SCHOOL Round Rock, TX 5.7
EL PASO ACADEMY WEST El Paso, TX 5.7
FRED W EDWARDS ACADEMY AEC Temple, TX 5.7

Frequently Asked Questions

Common questions about Southwest Preparatory School-northwest

What grades does Southwest Preparatory School-northwest serve?

Southwest Preparatory School-northwest serves students in grades 6th through 12th.

How many students attend Southwest Preparatory School-northwest?

Southwest Preparatory School-northwest has an enrollment of approximately 136 students.

What is the student-teacher ratio at Southwest Preparatory School-northwest?

The student-teacher ratio at Southwest Preparatory School-northwest is 10.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Southwest Preparatory School-northwest rank in TX?

Southwest Preparatory School-northwest is ranked #5346 out of 8,547 schools in TX.

What is Southwest Preparatory School-northwest's MySchoolScout rating?

Southwest Preparatory School-northwest has a composite rating of 5.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Southwest Preparatory School-northwest?

Based on the most recent state assessment data, Southwest Preparatory School-northwest has 9.8% math proficiency and 22.0% reading/ELA proficiency.

Is Southwest Preparatory School-northwest a charter school?

Yes, Southwest Preparatory School-northwest is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Southwest Preparatory School-northwest a Title I school?

No, Southwest Preparatory School-northwest is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Southwest Preparatory School-northwest?

76.5% of students at Southwest Preparatory School-northwest qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
High (5,229/100K)

FBI UCR 2024. City-level (San Antonio). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 12th
Enrollment
136
Student-Teacher Ratio
10.5:1
Teachers (FTE)
13
Free/Reduced Lunch
76.5%
Type
alternative
Setting
Large City
County
Bexar County
Data Year
2023–2024

District

SOUTHWEST PREPARATORY SCHOOL
District Enrollment
792
Schools in District
6
Per-Pupil Spending
$17,295
District Rank
#5 of 6

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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