English Language Arts
64.2%
State avg 57.6%
District avg 61.2%
County avg 44.7%
District avg 61.2%
County avg 44.7%
Test scores
See how it ranks: all Nebraska schools by score · Platte County schools by score
NSCAS, SY 2024-25
All grades, all students. % On Track + Advanced.Mathematics
70.6%
State avg 60.6%
District avg 66.1%
County avg 47.4%
District avg 66.1%
County avg 47.4%
Science
84.5%
State avg 73.4%
District avg 81.7%
County avg 64.5%
District avg 81.7%
County avg 64.5%
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
66.3%
composite math + reading, all grades
Predicted
67.1%
based on NE schools with similar FRL share
Beats by
-0.8pp
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 →
By grade, SY 2024-25
School score vs state average per tested grade.| Grade | English Language Arts | Mathematics | Science | ||||||
|---|---|---|---|---|---|---|---|---|---|
| School | State | n tested | School | State | n tested | School | State | n tested | |
| Grade 3 | 55.6% | 55.6% | 45 | 47.5% | 58.4% | 40 | N/A | N/A | N/A |
| Grade 4 | 70.7% | 57.3% | 41 | 75.6% | 58.6% | 41 | N/A | N/A | N/A |
| Grade 5 | 62.5% | 52.2% | 48 | 76.1% | 59.8% | 46 | 78.0% | 74.7% | 41 |
| Grade 6 | 46.7% | 48.7% | 45 | 64.0% | 52.5% | 50 | N/A | N/A | N/A |
1-year history
All grades, all students. SHELL CREEK Nebraska avgEnglish Language Arts
| Year | School | District | County | State |
|---|---|---|---|---|
| SY 2024-25 | 64.2% | 61.2% | 44.7% | 57.6% |
Mathematics
| Year | School | District | County | State |
|---|---|---|---|---|
| SY 2024-25 | 70.6% | 66.1% | 47.4% | 60.6% |
Science
| Year | School | District | County | State |
|---|---|---|---|---|
| SY 2024-25 | 84.5% | 81.7% | 64.5% | 73.4% |
How to read these scores
What is NSCAS?
NSCAS is the statewide standardized test administered by Nebraska public schools.
What does "% On Track + Advanced" mean?
It is the share of students at the school who performed at grade level or above on the test, summed across the top two of four performance levels. A higher number is better.
What does 64.2% mean for English Language Arts at SHELL CREEK ELEMENTARY SCHOOL?
It means about 64.2 percent of students tested at SHELL CREEK ELEMENTARY SCHOOL performed at grade level or above on the NSCAS English Language Arts test in 2024-25. The statewide average for Nebraska that year was 57.6%. The other students fell into the lower performance levels.
How is the state average calculated?
It is a weighted average, not a simple average of each school's number. We multiply each public school's score by how many of its students tested, add those together for all schools in Nebraska, and divide by the total students tested that year. This way a big school with 1,500 students counts more than a small school with 50 students, which is the right way to ask "how did the typical student do this year?". District and county averages on this page use the same method, just scoped to that district or county.
Where does this data come from?
Nebraska Department of Education, Nebraska Student-Centered Assessment System (NSCAS). School-level All Students subgroup from the NEP public data downloads (nepdata.education.ne.gov). Headline metric is the cumulative "On Track + Advanced" rate (top 2 of 3 NSCAS levels: Developing / On Track / Advanced).
How often is it updated?
NSCAS is administered once a year (spring). Results are released by the state in the summer or early fall. We refresh this page after each annual release.