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SCHOOL COMMUNITY·LINN-MAR COMM SCHOOL DISTRICT·NCES 191722001004

Linn-Mar High School

3111 N 10th St, Marion, IA 52302 · (319) 447-3040 · Linn County
GRADES 09–12HIGH22-SUBURBREGULAR SCHOOL2,229 STUDENTS
B-
allk12 Grade
Scored higher than 47% of Iowa public high schools
  • BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats 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

Enrollment
2,229
High
DISTRICT 613 · STATE 468
Student : Teacher
17.1:1
130 FTE teachers
DISTRICT 14.2:1 · STATE 17.3:1
Free / Reduced Lunch
23%
514 students
DISTRICT 26% · STATE 41%
Community
5
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

GradeStudentsShare
Grade 957726%
Grade 1055425%
Grade 1156125%
Grade 1253724%
Student demographics
42%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 44% · STATE 48% · US 70%
White
1,65774%
DISTRICT 74% · STATE 70% · US 43%
Hispanic
1366%
DISTRICT 6% · STATE 14% · US 30%
Black
1517%
DISTRICT 6% · STATE 7% · US 15%
Asian
1306%
DISTRICT 8% · STATE 2% · US 6%
Two+
1296%
DISTRICT 6% · STATE 5% · US 5%
Native American
40%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
50%
DISTRICT 0% · STATE 1% · US 0%
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
Male
1,16152%
Female
1,05147%

School pathway

Feeds from
Excelsior Middle School07–08Oak Ridge Middle School07–08
Based on grade levels within Linn-Mar Comm School District. Attendance zones can vary; confirm enrollment with the district.

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Test scores

ISASP 2024-25 . % Proficient
English Language Arts
76.8%
IA avg 73.6% . -3.0pp since 2023
Math
72.9%
IA avg 70.9% . -1.1pp since 2023

What this means: On the ISASP, Iowa's statewide test, about 77 of every 100 students at this school read and write at grade level and about 73 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores are down about 3 points since 2023, while math scores are down about 1 points.

ISASP results by year

School yearEnglish Language ArtsMath
2024-2576.8%72.9%
2023-2479.8%74.0%
% Proficient, all students and all tested grades.
Source: ISASP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
74.9%
composite math + reading, all grades
Predicted
80.4%
based on IA schools with similar FRL share
Beats by
-5.5pp
below demographic expectation

What this means: About 75% 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 Linn-Mar High School

Linn-Mar High School's state test result (74.9% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Linn-Mar High School this school2,22923.1%74.9%
Johnston Senior High School
Johnston
1,82022.4%79.9%
Southview Middle School
Ankeny
91327.5%83.7%
Ankeny High School
Ankeny
1,37523.0%79.5%
Ames High School
Ames
1,44029.9%74.2%
Northwest High School
Waukee
1,57411.6%80.1%
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 Linn-Mar High School ranks

Among high schools
MeasureThis schoolIn IowaIn Linn County
State test proficiency
ranked highest first
74.9%#134 of 313#7 of 14
Math proficiency
ranked highest first
72.9%#143 of 314
▼ 33
#6 of 14
no change
Reading proficiency
ranked highest first
76.8%#178 of 314
▼ 48
#10 of 14
▼ 4
Enrollment
ranked largest first
2,229#2 of 340#1 of 15
Students per teacher
ranked fewest first
17.1:1#224 of 259#8 of 12
Diversity index
ranked most diverse first
42.3%#73 of 260#6 of 12
Free and reduced lunch
ranked highest share first
23.1%#267 of 320#11 of 15
Enrollment change since 2017-18
ranked fastest growth first
+4.1%#104 of 133N/A
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 2024-25
Enrollment
2,229
-4 (0%) vs 2020
+144% since 1990-91, when it was 912
Student : Teacher
17.1:1
was 17.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,229130.317.1:123% (514)
2023-242,222131.416.9:124% (531)
2022-232,271130.217.4:123% (528)
2020-212,23312717.6:121% (476)
2017-182,141125.817.0:115% (329)
2015-162,00211817.0:114% (279)
2010-111,71010516.3:113% (226)
2000-011,3968716.1:16% (90)
1990-919125915.5:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Linn-Mar High School.

Since 2017-18: students up 4% (2,141 to 2,229); teachers up 4% (125.8 to 130.3).

About Linn-Mar High School

In Marion, Iowa, Linn-Mar High School is a large high school. In all, 2,229 students attend the school in grades 9 through 12. That puts enrollment 376% above the 468-student average for high schools in Iowa.

Linn-Mar High School is among 12 schools run by Linn-Mar Comm School District, which serves 7,361 students.

About 74% of the student body at Linn-Mar High School is White. Smaller groups are 7% Black, 6% Hispanic, 6% Asian, and 6% multiracial. County-wide, 84% of Linn County residents are White. A diversity index of 42% means there is a 42% chance two randomly chosen students at Linn-Mar High School are from different groups.

Based on 130.3 full-time-equivalent teachers, Linn-Mar High School has a ratio of 17.1:1. The ratio is within a point of the 17.3:1 average for high schools in Iowa. Income data for the school show 23% of students eligible for free or reduced-price lunch. That is 17 points below the 40% average for public schools in Linn County.

Linn-Mar High School holds a B- allk12 Grade, placing it above 47% of Iowa public high schools.

The school's average proficiency rate across its state test results is 74.9%. For its free or reduced-price lunch share, the predicted value is 80.4%.

In Linn County, where the school is located, the median household earns about $77,649 a year, roughly 35% of adults have a four-year degree or more, and about 6% of residents live below the federal poverty line. Counting Linn-Mar High School, Linn County has 83 public schools.

Linn-Mar High School's nearest public school is Indian Creek Elementary School (about 0.3 miles). Inside a five-mile radius, there are at least 8 other public schools. Compared with its nearest neighbors, Linn-Mar High School ranks 5th of 8 on average proficiency.

The school's federal locale classification is Suburb: Mid-size.

Enrollment went from 2,233 in 2020-21 to 2,229 in 2024-25, a change of 4 students.

Linn-Mar High School has a community page on allk12 for topics such as athletics, class schedules, and weather closures. Teachers and staff are welcome to share updates too.

Linn County at a glance

View full county profile
Population
230,004
Census ACS
Median income
$77,649
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
83
36,480 students

Quick facts

School name
Linn-Mar High School
District
Linn-Mar Comm School District
Address
3111 N 10th St, Marion, IA 52302
Phone
(319) 447-3040
County
Linn County
Level
High
Grade range
09–12
Total enrollment
2,229
Teachers (FTE)
130
Student–teacher ratio
17.1:1
Free and reduced lunch
514 (23%)
Locale
22-Suburb: Mid-size
NCES ID
191722001004
Charter school
No
Virtual school
No

Related schools

Other schools in Linn-Mar Comm School District
Other schools in Marion
Nearby schools

Frequently asked questions

About Linn-Mar High School
How large is Linn-Mar High School?
Linn-Mar High School enrolls approximately 2,229 students in grades 09-12.
What grades does Linn-Mar High School serve?
Linn-Mar High School serves grades 09-12.
How many students per teacher at Linn-Mar High School?
Approximately 17.1:1 students per teacher at Linn-Mar High School.
How diverse is Linn-Mar High School?
Linn-Mar High School reports a student body of 74% White, 6% Hispanic, 7% Black, 6% Asian, 6% Two or more.
Who oversees Linn-Mar High School?
Linn-Mar High School is overseen by Linn-Mar Comm School District in Linn County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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