Wilhelmina Delco Elementary School is in the Pflugerville ISD and earned a 5/10 rating from Great School’s as of October 2026. Known as Delco Primary School until 2021, the campus sits at 12900-A Dessau Road in Austin’s 78753-78754 area, sharing a site with Dessau Middle School, and serves Pre-K through 5th grade. Its current attendance zone is a small area along Dessau Road south of Howard Lane, including the newer sections of Harris Ridge, and it is expected to grow when Pflugerville ISD closes nearby Dessau Elementary after the 2026-27 school year. This page covers the school’s official ratings, its programs, its attendance zone, and four years of real closed-sales data for homes zoned here from Unlock MLS.
On This Page
Wilhelmina Delco Elementary School Snapshot
- Address: 12900-A Dessau Road, Austin, TX 78754
- School District: Pflugerville ISD
- Grades Served: Pre-K through 5th grade
- Opened: 2002, as Delco Primary School (renamed Wilhelmina Delco Elementary in 2021)
- Enrollment: 424 students (2025-26)
- Student-Teacher Ratio: 12.2:1
- Principal: Henry Castellanos
- School Hours: 7:35 a.m. to 2:50 p.m. (doors open at 7:05 a.m.)
- Mascot: Dolphins
- Phone: (512) 594-6200
- GreatSchools Rating: It is 5/10 as of October 2026.
GreatSchools and the Texas Education Agency measure different things, which is worth knowing before comparing schools. GreatSchools weighs test performance against schools serving similar student populations. The Texas Education Agency’s rating, below, is the state’s own official measurement and the one used for school accountability purposes.
Enrollment and campus history from Pflugerville ISD’s 2025-26 campus profiles and school construction history; student-teacher ratio from the Texas Tribune’s Public Schools Explorer (2025 data). Principal, hours, and mascot from Pflugerville ISD and the Delco Elementary website.
The school is named for the Honorable Wilhelmina Delco, who was elected to the Texas Legislature in 1974 and served twenty years as a state representative. At the school’s dedication, she spelled out the values she hoped students would carry, using the letters of her name: Discipline, Education, Learning and Love, Creativity and Caring, and Opportunity.
Academic Performance: Texas Education Agency Accountability Rating
In TEA’s 2025-26 accountability ratings, updated in September 2026, Wilhelmina Delco Elementary earned an overall D with a score of 64, down from a B (86) the year before. Delco’s ratings have swung widely in recent years, from a B in 2021-22 to D ratings in 2022-23 and 2023-24, back up to a B in 2024-25, and down to a D again in 2025-26. Student Achievement, based on STAAR results, was rated F (58). About 93% of Delco students are economically disadvantaged.
- Overall TEA Rating (2025-26): D (64)
- Student Achievement: F (58), based on STAAR performance
- School Progress: D (62), with Academic Growth at F (57) and Relative Performance at D (62)
- Closing the Gaps: D (67)
- Prior Overall Ratings: B (83) in 2021-22, D (66) in 2022-23, D (67) in 2023-24, B (86) in 2024-25
For context, under TEA’s scale, an A rating reflects exemplary performance, B is recognized performance, C is acceptable, D needs improvement, and F is unacceptable.
Source: Texas Education Agency 2026 Accountability Rating Overall Summary for Wilhelmina Delco Elementary (campus 227904113), plus the 2022 through 2025 summaries for prior years. The 2022-23 and 2023-24 ratings were released late, in 2025, after litigation over TEA’s rating methodology. TEA issues updated ratings annually, so verify the current rating directly with Pflugerville ISD or TEA before making a decision based on it.
Programs at Delco Elementary
- One-way Spanish dual language program in kindergarten through 5th grade, which Pflugerville ISD lists as Delco’s campus program
- Full-day Pre-K, including bilingual Pre-K classes
- ESL support in the upper grades and bilingual intervention staff
- Bilingual early childhood special education and a bilingual Functional Academics special education program
- Art, music, and physical education
- Gifted & Talented services
- Part of a district STEM-focused cohort with Dessau Middle School and Connally High School
- Before- and after-school care through Pflugerville ISD’s Extended Day Program, plus an active PTO
Delco’s own website publishes little beyond these basics, so contact the school or Pflugerville ISD directly for current program details, Pre-K eligibility, and dual language placement.
Where is Wilhelmina Delco Elementary?
Wilhelmina Delco Elementary is located at:
12900-A Dessau Road
Austin, TX 78754
Delco Elementary Attendance Zone Map
The map above shows where the Delco Elementary campus sits. To confirm whether a specific home address is zoned to Delco, use Pflugerville ISD’s official address lookup: Pflugerville ISD Find My School Map.
Under Pflugerville ISD’s 2025-26 boundary map, Delco’s zone is a compact area along Dessau Road south of Howard Lane, and single-family homes make up only a small part of it. Those homes are in the newer sections of Harris Ridge, Phase 3 Sections 1 and 2 and Phase 4, on streets such as Bradbury Lane, Dexford Drive, Blaine Road, Latchwood Lane, Serafy Court, Danbrook Cove, Collindale Cove, and Descartes Cove. The older sections of Harris Ridge, including Phases 1 and 2 and the Park and Enclave at Harris Ridge, are zoned to Dessau Elementary, and nearby Fort Dessau is split between Barron and Wieland Elementary.
Delco Elementary and the 2027-28 Rezoning
Pflugerville ISD’s board voted in May 2026 to close Dessau, Parmer Lane, Pflugerville, and Windermere Elementary Schools after the 2026-27 school year. Delco is not closing. It is expected to be one of the main receiving schools for Dessau Elementary students. Delco has room for about 800 students and is currently about half full, and the district projected its enrollment would keep falling without a change.
- Draft Map 5: Most of the current Dessau Elementary zone moves to Delco, with the rest going to Wieland Elementary. A small number of Pflugerville Elementary students would also move to Delco.
- Draft Map 9: Most of the Dessau zone moves to Wieland instead, with a smaller share going to Delco.
Either way, neighborhoods now zoned to Dessau Elementary, such as Greenwood, Cantarra Meadow, Upper East End, Edgebrooke, and the older sections of Harris Ridge, could be zoned to Delco starting in fall 2027. The district’s rezoning task force is expected to bring its recommendation to the board in late fall 2026, with new boundaries finalized before winter break and taking effect for 2027-28. See our Dessau Elementary page for more on the closure.
Sources: Pflugerville ISD district optimization draft scenarios, campus profiles, and the September 29, 2026 rezoning public hearing summary; Community Impact coverage of the rezoning task force.
Homes Zoned to Delco Elementary: Market Stats
Here is what actually happened in Delco Elementary’s current attendance zone over the past four years, pulled directly from Unlock MLS for single-family homes in Pflugerville ISD and checked address by address against the district’s 2025-26 boundary map. Every one of these sales was in the Phase 3 and Phase 4 sections of Harris Ridge. Very few listings carry a Delco school tag in the MLS, and some that do are in other zones, so these figures come from the boundary map rather than the MLS school field.
3-Year Closed Sales Trend
| Period | Homes Sold | Median Sale Price | Median $/Sq Ft | Sale-to-List Ratio | Median Days on Market |
| Sept 2022 – Aug 2023 | 4 | $435,208 | $197.55 | 98.8% | 24 days |
| Sept 2023 – Aug 2024 | 6 | $420,000 | $179.32 | 96.5% | 12 days |
| Sept 2024 – Aug 2025 | 4 | $382,450 | $231.27 | 98.8% | 29 days |
| Trailing 12 Months (Sept 2025 – Aug 2026) | 4 | $408,500 | $163.57 | 96.0% | 92 days |
Data sourced from Unlock MLS. Statistics deemed reliable but not guaranteed. Only a handful of single-family homes sell in this zone each year, so each period’s medians are based on four to six sales and can swing sharply from one year to the next. Read them as a general range rather than a precise trend.
With only 18 single-family sales in four years, Delco’s zone is one of the smallest resale markets in Pflugerville ISD. Those homes, built between 1998 and 2001 with a median of about 2,150 square feet, sold for a median of about $414,000 over the full four years, ranging from $258,000 to $535,000. The trailing-twelve-month median of $408,500 is about 6% below 2022-23, roughly in line with the wider area, but the four homes that sold in the past year took a median of 92 days to sell, and sellers accepted about 96% of list price.
Current Inventory Snapshot
As of October 4, 2026
| Status | Count | Median List Price | Median Days on Market |
| Active | 6 | $339,950 | 29 days |
| Active Under Contract | 0 | — | — |
| Pending | 1 | $387,000 | 179 days |
Data sourced from Unlock MLS. Statistics deemed reliable but not guaranteed. Same boundary check as above.
Six homes are currently for sale in the Delco zone, more than the zone usually sells in a full year, so buyers here have time and room to negotiate. The median active list price of $339,950 is well below recent sale prices, partly because several of the current listings are smaller homes on Blaine Road and Bradbury Lane.
Homes for Sale Near Wilhelmina Delco Elementary
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Neighborhoods Zoned to Delco Elementary
Under the 2025-26 boundary map, the only single-family neighborhood zoned to Delco Elementary is the newer part of Harris Ridge: Phase 3 Sections 1 and 2 and Phase 4, built from 1998 to 2001. Harris Ridge doesn’t have its own neighborhood guide on our site yet. If Pflugerville ISD adopts a 2027-28 map that moves Dessau Elementary students to Delco, neighborhoods such as Greenwood, Cantarra Meadow, and Upper East End could join the Delco zone. See the rezoning section above.
Feeder Middle and High Schools
All of Delco Elementary’s current zone feeds the same middle and high school:
- Dessau Middle School, 12900 Dessau Road, Austin, TX 78754 (on the same site as Delco)
Great Schools Rating: 5/10 - John B. Connally High School, 13212 North Lamar Boulevard, Austin, TX 78753
Great Schools Rating: 2/10
Source: Pflugerville ISD’s 2025-26 School Attendance Boundaries map and campus profiles. Feeder patterns can shift with the 2027-28 rezoning, so confirm directly with Pflugerville ISD for any specific address.
Frequently Asked Questions
Ratings, Zoning & the Name Change
Yes. The campus opened in 2002 as Delco Primary School, serving Pre-K through 2nd grade. It became a full Pre-K through 5th grade campus in the 2019-20 school year and was renamed Wilhelmina Delco Elementary in 2021. Some MLS listings and older websites still call it Delco Primary.
Delco is a regular zoned neighborhood school. Students who live in its attendance zone are assigned there automatically, and no application is required.
It is 5/10 as of October 2026.
Wilhelmina Delco Elementary received an overall D (64) in TEA’s 2025-26 accountability ratings, updated in September 2026, down from a B (86) in 2024-25. By domain, it scored an F (58) in Student Achievement, a D (62) in School Progress, and a D (67) in Closing the Gaps. Its prior overall scores were 83 in 2021-22, 66 in 2022-23, and 67 in 2023-24.
Under Pflugerville ISD’s 2025-26 boundary map, Delco’s single-family homes are in the Phase 3 and Phase 4 sections of Harris Ridge, on streets such as Bradbury Lane, Dexford Drive, Blaine Road, Latchwood Lane, and Serafy Court. The older sections of Harris Ridge are zoned to Dessau Elementary.
Very likely. Pflugerville ISD is closing Dessau Elementary after 2026-27, and both draft rezoning maps send part of the Dessau zone to Delco. Under Map 5, most Dessau students would move to Delco; under Map 9, most would move to Wieland with a smaller share going to Delco. New boundaries are expected to be finalized before winter break 2026.
Programs, Feeder Schools & the Local Market
Delco serves Pre-K through 5th grade, including full-day Pre-K. The school day runs from 7:35 a.m. to 2:50 p.m., with doors opening at 7:05 a.m.
Delco runs a one-way Spanish dual language program in kindergarten through 5th grade, bilingual Pre-K, ESL support, bilingual special education programs, Gifted and Talented services, and art, music, and PE. It is part of a district STEM-focused cohort with Dessau Middle School and Connally High School.
Delco had 424 students in 2025-26, down from 572 in 2019-20, with a student-teacher ratio of about 12.2 to 1. The building has room for about 800 students.
Over the trailing 12 months, the four single-family homes that sold in Delco’s zone had a median sale price of $408,500, based on Unlock MLS data. Over the past four years, 18 homes sold for a median of about $414,000, ranging from $258,000 to $535,000.
All of Delco’s current zone feeds Dessau Middle School, which shares Delco’s Dessau Road site, and then John B. Connally High School, according to Pflugerville ISD’s 2025-26 attendance boundary map.
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