Ortwein Dennis ES
Score 66.3/100: better than 66% of Nevada elementary schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2025-26)
% proficient on state tests in Nevada, all students. Colored bars are green when the school is at or above the average for similar Nevada schools.
Results over time
How this school's published results have moved year by year.
All 6 published results by grade and test
As published by Nevada Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | High school | NV high school | n/a | — |
| English language arts | All grades | SBAC (grades 3-8) | 54.1 | — |
| Math | High school | NV high school | n/a | — |
| Math | All grades | SBAC (grades 3-8) | 42.7 | — |
| Science | All grades | NV Science (grades 5, 8) | 15.3 | — |
| Science | High school | NV high school science | n/a | — |
School profile
- Grades
- PK-5
- Students
- 790
- Type
- Elementary school
- Charter school
- No
- Program
- Regular
Students
District and location
Contact
Las Vegas, NV 89141
"Typical" is the middle (median) elementary school in Nevada. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).
Nearby elementary schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around Las Vegas
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
Ortwein Dennis ES at a glance
Ortwein Dennis ES is a public elementary school in Las Vegas, Nevada, serving grades PK-5. It is part of the Clark County school district. It has about 790 students (a typical Nevada elementary school has 503). About 105% of students are eligible for free or reduced-price lunch, compared with 97% at a typical Nevada elementary school, which is useful context when reading test results.
In 2025-26 state tests, 54% in English language arts (similar schools: 44%) and 43% in math (similar schools: 38%) reached the state standard (% proficient). On our score, which compares it only with other Nevada elementary schools, it scores 66.3 out of 100: better than 66% of them, ranking #128 of 378. Its English language arts result was broadly unchanged from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.