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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
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
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
577
Grade 10
554
Grade 11
561
Grade 12
537
Student demographics
White
1,65774%
DISTRICT 74% · STATE 70%
Hispanic
1366%
DISTRICT 6% · STATE 14%
Black
1517%
DISTRICT 6% · STATE 7%
Asian
1306%
DISTRICT 8% · STATE 2%
Two+
1296%
DISTRICT 6% · STATE 5%
Native American
40%
DISTRICT 0% · STATE 0%
Pacific Islander
50%
DISTRICT 0% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. 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%

Discussions

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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
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
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
2,229
+88 (+4%) vs 2017
Student : Teacher
17.1:1
was 17.0:1
% White
74%
was 82%
% Hispanic
6%
was 4%
% Black
7%
was 5%
% Asian
6%
was 5%
Source: NCES Common Core of Data

About Linn-Mar High School

Located at 3111 N 10th St, in Marion, Iowa, Linn-Mar High School is a substantial high school that instructs 2,229 students (grades 9 through 12), overseen by Linn-Mar Comm School District. By comparison, Iowa's public schools average about 468 students each, so Linn-Mar High School sits 376% above that benchmark.

Within Linn-Mar Comm School District, which oversees 12 schools and 7,361 students, Linn-Mar High School is one campus in the system.

For racial and ethnic makeup, Linn-Mar High School records that 74% of the student body identifies as White. Beyond that, the school reports 7% Black, 6% Hispanic, 6% Asian, 6% multiracial. By comparison, Linn County as a whole is about 84% White, so the school skews meaningfully less White than its surroundings.

Looking at school resources, The school lists 130 full-time-equivalent teachers, for a student-teacher ratio near 17.1:1. That tracks the state average closely. About 23% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is noticeably below Linn County's rate of about 40%.

With demographic context factored in, Linn-Mar High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 80.4%, the actual is 74.9%, a residual of -5.5 points.

Zooming out to the county, ACS estimates for Linn County put median household earnings sit near $77,649, roughly 35% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. Across Linn County's 83 public schools (combined enrollment of about 36,480 students), Linn-Mar High School is one campus in the mix.

Nearest neighbor: Indian Creek Elementary School, around 0.3 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Linn-Mar High School comes 5th of 8 in the immediate cluster, below the nearby-schools average of 77.3%.

The school occupies a suburban site.

Over the past 7-year window. Over the past 7-year window, the student count climbed 4%: 2,141 students in 2018 compared to 2,229 in 2025. The White share of enrollment edged down from 82% to 74% over that span.

In the discussion threads here, members of the Linn-Mar High School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.

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/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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