Enrollment
275
High
DISTRICT 288 · STATE 468
SCHOOL COMMUNITY·NORTH MAHASKA COMM SCHOOL DISTRICT·NCES 192085001245
North Mahaska Jr-Sr High School
2163 135th St, New Sharon, IA 50207 · (641) 637-4187 · Mahaska County
GRADES 07–12HIGH42-RURALREGULAR SCHOOL275 STUDENTS
B
allk12 Grade
Scored higher than 63% of Iowa public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Iowa public high schools
Student : Teacher
13.0:1
21 FTE teachers
DISTRICT 13.5:1 · STATE 17.3:1
Free / Reduced Lunch
25%
68 students
DISTRICT 25% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 7 | 36 | 13% |
| Grade 8 | 55 | 20% |
| Grade 9 | 37 | 13% |
| Grade 10 | 37 | 13% |
| Grade 11 | 53 | 19% |
| Grade 12 | 57 | 21% |
Student demographics
12%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 12% · STATE 48% · 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
School pathway
Feeds from
Based on grade levels within North Mahaska Comm School District. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
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START A DISCUSSIONTest scores
ISASP 2024-25 . % ProficientEnglish Language Arts
78.5%
IA avg 73.6% . +0.4pp since 2023
Math
81.8%
IA avg 70.9% . +2.5pp since 2023
What this means: On the ISASP, Iowa's statewide test, about 79 of every 100 students at this school read and write at grade level and about 82 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores have held steady since 2023, while math scores are up about 3 points.
ISASP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 78.5% | 81.8% |
| 2023-24 | 78.1% | 79.3% |
% Proficient, all students and all tested grades.
Source: ISASP. 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
78.2%
composite math + reading, all grades
Predicted
79.6%
based on IA schools with similar FRL share
Beats by
-1.4pp
below demographic expectation
What this means: About 78% of students here test proficient in math and reading, compared with the roughly 80% typical for Iowa 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 Iowa'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 North Mahaska Jr-Sr High School
North Mahaska Jr-Sr High School's state test result (78.2% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| North Mahaska Jr-Sr High School this school | 275 | 24.7% | 78.2% |
| Dike-New Hartford High School Dike | 294 | 26.2% | 82.8% |
| Logan-Magnolia Jr-Sr High School Logan | 294 | 26.5% | 81.4% |
| Union High School La Porte City | 279 | 24.0% | 76.8% |
| Mediapolis High School Mediapolis | 312 | 26.9% | 80.7% |
| West Marshall High School State Center | 292 | 25.0% | 80.8% |
Matched among Iowa high 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 North Mahaska Jr-Sr High School ranks
Among high schools| Measure | This school | In Iowa |
|---|---|---|
| State test proficiency ranked highest first | 78.2% | #90 of 313 |
| Math proficiency ranked highest first | 81.8% | #40 of 314 ▲ 10 |
| Reading proficiency ranked highest first | 78.5% | #146 of 314 ▲ 6 |
| Enrollment ranked largest first | 275 | #193 of 340 |
| Students per teacher ranked fewest first | 13.0:1 | #78 of 259 |
| Diversity index ranked most diverse first | 11.9% | #232 of 260 |
| Free and reduced lunch ranked highest share first | 24.7% | #253 of 320 |
| Enrollment change since 2017-18 ranked fastest growth first | +18.0% | #45 of 133 |
Ranked against other public high 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
275
+14 (+5%) vs 2020
+22% since 1990-91, when it was 226
Student : Teacher
13.0:1
was 11.3:1
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 | 275 | 21.1 | 13.0:1 | 25% (68) |
| 2023-24 | 286 | 20.9 | 13.7:1 | 31% (90) |
| 2022-23 | 270 | 22.9 | 11.8:1 | 29% (78) |
| 2020-21 | 261 | 23 | 11.3:1 | 41% (106) |
| 2017-18 | 233 | 20.6 | 11.3:1 | 38% (89) |
| 2015-16 | 252 | 19 | 13.3:1 | 35% (88) |
| 2010-11 | 246 | 19 | 12.9:1 | 33% (82) |
| 2000-01 | 286 | 21 | 13.6:1 | 23% (67) |
| 1990-91 | 226 | 22 | 10.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for North Mahaska Jr-Sr High School.
Since 2017-18: students up 18% (233 to 275); teachers up 3% (20.6 to 21.1).
About North Mahaska Jr-Sr High School
North Mahaska Jr-Sr High School, a small high school, is located in New Sharon, Iowa. Students in grades 7 through 12 attend the school, which enrolls 275 students. The average among high schools in Iowa is roughly 468 students; this school is 41% smaller than that.
North Mahaska Comm School District serves 576 students across 2 schools.
North Mahaska Jr-Sr High School enrolls a student body that is 94% White. Beyond that, enrollment is 3% multiracial. The White share in Mahaska County as a whole is similar, at about 92%. The chance that two students picked at random at North Mahaska Jr-Sr High School belong to different racial or ethnic groups, known as the diversity index, is 12%.
Teachers at the school number 21.1 full-time equivalents, and the ratio is 13.0:1. The 17.3:1 average for high schools in Iowa is higher than this school's figure. Roughly 25% of the student body qualifies for free or reduced-price lunch. Across public schools in Mahaska County, the average is 38%.
The allk12 Grade for North Mahaska Jr-Sr High School is B. Compared with Iowa public high schools, the school scored higher than 63% on a mix of test scores, poverty-adjusted results, and recent trend.
BeatsExpectations compares each school's average proficiency rate on state tests with a prediction based on free or reduced-price lunch eligibility. For North Mahaska Jr-Sr High School, the prediction is 79.6% and the result is 78.2%.
In the county around the school, Mahaska County, median household income is about $70,940, roughly 24% of adults have a four-year degree or more, and the share of residents below the poverty line is 8%. North Mahaska Jr-Sr High School is among the 8 public schools in Mahaska County.
North Mahaska Elementary School is the nearest neighboring public school, less than a tenth of a mile away. In a group of 7 nearby schools with scores, North Mahaska Jr-Sr High School ranks 3rd on average proficiency.
The National Center for Education Statistics classifies the school's location as Rural: Distant, meaning it is in rural territory some distance from an urban area.
North Mahaska Jr-Sr High School saw enrollment rise 5% between 2020-21 and 2024-25. The ratio of students to teachers went from 11.3:1 to 13.0:1 over the same years.
Questions about sports schedules, lunch menus, and spirit week can be posted here. Questions from prospective families are welcome too.
Mahaska County at a glance
View full county profilePopulation
22,021
Census ACS
Median income
$70,940
Household, ACS
Bachelor's+
24%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
8
2,757 students
Quick facts
Related schools
Other schools in North Mahaska Comm School District
- North Mahaska Elementary SchoolElementary · 301 students
Other schools in New Sharon
- North Mahaska Elementary SchoolElementary · 301 students
Nearby schools
- North Mahaska Elementary School0.0 mi · 301
- Oskaloosa High School10.4 mi · 632
- Oskaloosa Virtual Academy10.4 mi · 25
- Oskaloosa Middle School10.5 mi · 404
- Oskaloosa Early Childhood Center - PK10.5 mi · 109
- Oskaloosa Elementary School10.6 mi · 903
Frequently asked questions
About North Mahaska Jr-Sr High SchoolHow large is North Mahaska Jr-Sr High School?
North Mahaska Jr-Sr High School enrolls approximately 275 students in grades 07-12.
What grades does North Mahaska Jr-Sr High School serve?
North Mahaska Jr-Sr High School serves grades 07-12.
How many students per teacher at North Mahaska Jr-Sr High School?
Approximately 13.0:1 students per teacher at North Mahaska Jr-Sr High School.
How diverse is North Mahaska Jr-Sr High School?
North Mahaska Jr-Sr High School reports a student body of 94% White, 2% Hispanic, 1% Black, 0% Asian, 3% Two or more.
Who oversees North Mahaska Jr-Sr High School?
North Mahaska Jr-Sr High School is overseen by North Mahaska Comm School District in Mahaska County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.