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Enrollment
763
Elementary
DISTRICT 629 · STATE 519
SCHOOL COMMUNITY·LEANDER ISD·NCES 482703011371
William J Winkley Elementary School
2100 POW WOW, LEANDER, TX 78641 · (512) 570-6700 · Williamson County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL763 STUDENTS
Student : Teacher
14.6:1
52 FTE teachers
DISTRICT 12.5:1 · STATE 15.1:1
Free / Reduced Lunch
12%
92 students
DISTRICT 19% · 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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 43 | 6% |
| Kindergarten | 92 | 12% |
| Grade 1 | 110 | 14% |
| Grade 2 | 109 | 14% |
| Grade 3 | 138 | 18% |
| Grade 4 | 136 | 18% |
| Grade 5 | 135 | 18% |
This year's kindergarten class (92) is 32% smaller than its 5th grade class (135).
Student demographics
67%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 70% · STATE 63% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
STAAR 2025-26 . % Meets Grade Level or AboveReading
70.0%
TX avg 54.5% . +30.0pp since 2020
Mathematics
57.0%
TX avg 45.3% . +37.0pp since 2020
What this means: On the STAAR, Texas's statewide test, about 70 of every 100 students at this school read at grade level and about 57 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 30 points since 2020, while math scores are up about 37 points.
Performance levels, 2025-26
| Subject | Masters Grade Level | Meets Grade Level | Approaches Grade Level | Did Not Meet Grade Level |
|---|---|---|---|---|
| Reading | 36.0% | 34.0% | 15.0% | 15.0% |
| Mathematics | 31.0% | 26.0% | 25.0% | 18.0% |
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.
STAAR results by year
| School year | Reading | Mathematics |
|---|---|---|
| 2025-26 | 70.0% | 57.0% |
| 2024-25 | 69.0% | 56.0% |
| 2023-24 | 69.0% | 51.0% |
| 2022-23 | 64.0% | 64.0% |
| 2021-22 | 50.0% | 44.0% |
| 2020-21 | 40.0% | 20.0% |
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
55.2%
composite math + reading, all grades
Predicted
68.5%
based on TX schools with similar FRL share
Beats by
-13.3pp
below demographic expectation
What this means: About 55% of students here test proficient in math and reading, compared with the roughly 69% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like William J Winkley Elementary School
William J Winkley Elementary School's state test result (55.2% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| William J Winkley Elementary School this school | 763 | 12.1% | 55.2% |
| Santa Rita Elementary School LIBERTY HILL | 745 | 13.2% | 58.3% |
| Blackland Prairie Elementary School ROUND ROCK | 785 | 11.6% | 66.4% |
| Haslet Elementary School HASLET | 733 | 15.6% | 60.7% |
| Murchison Elementary School PFLUGERVILLE | 651 | 13.4% | 68.3% |
| Rancho Sienna Elementary School GEORGETOWN | 770 | 7.7% | 66.8% |
Matched among Texas elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where William J Winkley Elementary School ranks
Among elementary schools| Measure | This school | In Texas | In Williamson County |
|---|---|---|---|
| State test proficiency ranked highest first | 55.2% | #1,046 of 4,401 | #30 of 86 |
| Math proficiency ranked highest first | 57.0% | #1,154 of 4,466 ▲ 2 | #30 of 87 ▼ 1 |
| Reading proficiency ranked highest first | 70.0% | #730 of 4,466 ▲ 70 | #31 of 87 no change |
| 3-year test score change ranked biggest drop first | -0.5pp | #1,136 of 3,998 | #19 of 78 |
| Enrollment ranked largest first | 763 | #586 of 4,938 | #23 of 90 |
| Students per teacher ranked fewest first | 14.6:1 | #2,105 of 4,622 | #69 of 88 |
| Diversity index ranked most diverse first | 66.9% | #807 of 4,628 | #37 of 88 |
| Free and reduced lunch ranked highest share first | 12.1% | #4,608 of 4,789 | #72 of 87 |
| Enrollment change since 2017-18 ranked fastest growth first | +11.5% | #696 of 1,307 | #21 of 30 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
763
+71 (+10%) vs 2020
-6% since 2010-11, when it was 810
Student : Teacher
14.6:1
was 13.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 763 | 52.2 | 14.6:1 | 12% (92) |
| 2023-24 | 745 | 53.4 | 13.9:1 | 10% (78) |
| 2022-23 | 691 | 49.9 | 13.9:1 | 8% (55) |
| 2020-21 | 692 | 53 | 13.1:1 | 9% (64) |
| 2017-18 | 684 | 47.4 | 14.4:1 | 10% (65) |
| 2015-16 | 682 | 46 | 14.8:1 | 10% (70) |
| 2010-11 | 810 | 54 | 15.0:1 | 33% (267) |
Source: NCES Common Core of Data. Rows are the federal collections on file for William J Winkley Elementary School.
Since 2017-18: students up 12% (684 to 763); teachers up 10% (47.4 to 52.2).
About William J Winkley Elementary School
William J Winkley Elementary School is a medium-sized elementary school in LEANDER ISD, located in LEANDER, Texas. The school counts 763 students across pre-K through 5. The typical figure for elementary schools in Texas is about 519 students.
Enrollment across the 51 schools in LEANDER ISD totals 42,680 students.
By race and ethnicity, William J Winkley Elementary School is 50% White. After that, the student body is 20% Hispanic, 17% Asian, 8% multiracial, and 4% Black. Census figures show Williamson County is about 60% White. The chance that two students picked at random at William J Winkley Elementary School belong to different racial or ethnic groups, known as the diversity index, is 67%.
Its 52.2 full-time-equivalent teachers give the school a ratio of 14.6:1. Elementary schools in Texas average about 15.1:1, a similar figure. Free or reduced-price lunch eligibility is 12%. The rate at public schools in Williamson County averages 29%, higher than here.
When test results are adjusted for free or reduced-price lunch eligibility, William J Winkley Elementary School is 13.3 points below its prediction. Actual: 55.2%. Predicted: 68.5%.
Across Williamson County, median household income is about $111,340, about 48% of adults have at least a bachelor's degree, and the poverty rate is about 4%. William J Winkley Elementary School is among the 208 public schools in Williamson County.
Of nearby public schools, Patricia Knowles Elementary School is the closest, at about 0.5 miles. The count of other public schools within five miles is at least 8. Among its closest neighbors with test data, William J Winkley Elementary School is 2nd of 9 on proficiency.
Federal data place William J Winkley Elementary School in the Suburb: Large locale, which means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The 2024-25 enrollment of 763 was 10% higher than in 2020-21, when it was 692. In 2020-21, the student-to-teacher ratio was 13.1:1; by 2024-25 it was 14.6:1.
Discussions about William J Winkley Elementary School may include school safety, transportation, and start times. Alumni can share how the school prepared them.
Williamson County at a glance
View full county profilePopulation
672,688
Census ACS
Median income
$111,340
Household, ACS
Bachelor's+
48%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
208
126,147 students
Quick facts
Related schools
Other schools in LEANDER ISD
- Vista Ridge High SchoolHigh · 2,480 students
- Vandegrift High SchoolHigh · 2,437 students
- Rouse High SchoolHigh · 2,260 students
- Cedar Park High SchoolHigh · 2,155 students
- Leander High SchoolHigh · 2,131 students
- Glenn High SchoolHigh · 2,024 students
Other schools in LEANDER
- Rouse High SchoolHigh · 2,260 students
- Leander High SchoolHigh · 2,131 students
- Glenn High SchoolHigh · 2,024 students
- Florence W Stiles Middle SchoolMiddle · 1,493 students
- Stacy Kaye Danielson Middle SchoolMiddle · 1,182 students
- Knox Wiley Middle SchoolMiddle · 916 students
Nearby schools
- Patricia Knowles Elementary School0.5 mi · 683
- Running Brushy Middle School0.6 mi · 1,120
- Whitestone Elementary School0.7 mi · 855
- Leander High School0.9 mi · 2,131
- Valor Leander1.2 mi · 380
- C C Mason Elementary School1.4 mi · 691
Frequently asked questions
About William J Winkley Elementary SchoolWhat is the total enrollment at William J Winkley Elementary School?
William J Winkley Elementary School enrolls approximately 763 students in grades PK-05.
Is William J Winkley Elementary School an elementary, middle, or high school?
William J Winkley Elementary School is an elementary school covering grades PK-05.
How many teachers does William J Winkley Elementary School have?
William J Winkley Elementary School employs 52 FTE teachers, for a student-to-teacher ratio of 14.6:1.
What is the student diversity at William J Winkley Elementary School?
Student demographics at William J Winkley Elementary School are roughly 50% White, 20% Hispanic, 4% Black, 17% Asian, 8% Two or more.
Is William J Winkley Elementary School public or private?
William J Winkley Elementary School is a public K-12 school, overseen by LEANDER ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.