Enrollment
349
Middle
DISTRICT 397 · STATE 400
SCHOOL COMMUNITY·ATLANTIC COMM SCHOOL DISTRICT·NCES 190393000093
Atlantic Middle School
1100 Linn St, Atlantic, IA 50022 · (712) 243-1330 · Cass County
GRADES 06–08MIDDLE33-TOWNTITLE IREGULAR SCHOOL349 STUDENTS
B
allk12 Grade
Scored higher than 62% of Iowa public middle schools
- B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-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 middle schools
Student : Teacher
15.5:1
22 FTE teachers
DISTRICT 14.6:1 · STATE 15.2:1
Free / Reduced Lunch
44%
155 students
DISTRICT 43% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 124 | 36% |
| Grade 7 | 108 | 31% |
| Grade 8 | 117 | 34% |
Student demographics
29%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 27% · 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
Students here typically continue to
Atlantic Middle School→Atlantic High School
Feeds from
Based on grade levels within Atlantic Comm School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
ISASP 2024-25 . % ProficientEnglish Language Arts
80.1%
IA avg 73.6% . +3.7pp since 2023
Math
82.2%
IA avg 70.9% . +4.8pp since 2023
What this means: On the ISASP, Iowa's statewide test, about 80 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 are up about 4 points since 2023, while math scores are up about 5 points.
ISASP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 80.1% | 82.2% |
| 2023-24 | 76.4% | 77.4% |
% 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
76.4%
composite math + reading, all grades
Predicted
69.7%
based on IA schools with similar FRL share
Beats by
+6.7pp
above demographic expectation
What this means: About 76% of students here test proficient in math and reading, compared with the roughly 70% 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 Atlantic Middle School
Atlantic Middle School's state test result (76.4% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Atlantic Middle School this school | 349 | 44.4% | 76.4% |
| Forest City Middle School Forest City | 330 | 41.5% | 76.8% |
| Oskaloosa Middle School Oskaloosa | 404 | 43.1% | 74.2% |
| Shenandoah Middle School Shenandoah | 280 | 42.9% | 68.0% |
| Cherokee Middle School Cherokee | 329 | 45.3% | 78.3% |
| Davis County Middle School Bloomfield | 337 | 47.2% | 64.6% |
Matched among Iowa middle 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 Atlantic Middle School ranks
Among middle schools| Measure | This school | In Iowa |
|---|---|---|
| State test proficiency ranked highest first | 76.4% | #111 of 224 |
| Math proficiency ranked highest first | 82.2% | #58 of 224 ▲ 32 |
| Reading proficiency ranked highest first | 80.1% | #92 of 224 ▲ 47 |
| Enrollment ranked largest first | 349 | #120 of 246 |
| Students per teacher ranked fewest first | 15.5:1 | #137 of 180 |
| Diversity index ranked most diverse first | 28.7% | #100 of 180 |
| Free and reduced lunch ranked highest share first | 44.4% | #92 of 237 |
| Enrollment change since 2017-18 ranked fastest growth first | +10.1% | #26 of 61 |
Ranked against other public middle 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
349
+9 (+3%) vs 2020
+34% since 1990-91, when it was 261
Student : Teacher
15.5:1
was 15.4:1
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 | 349 | 22.5 | 15.5:1 | 44% (155) |
| 2023-24 | 348 | 23 | 15.2:1 | 51% (178) |
| 2022-23 | 329 | 22 | 14.9:1 | 40% (133) |
| 2020-21 | 340 | 22 | 15.4:1 | 52% (176) |
| 2017-18 | 317 | 24.9 | 12.7:1 | 45% (144) |
| 2015-16 | 323 | 25 | 12.9:1 | 52% (167) |
| 2010-11 | 318 | 20 | 15.9:1 | 40% (128) |
| 2000-01 | 363 | 24 | 15.1:1 | 30% (109) |
| 1990-91 | 261 | 17 | 15.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Atlantic Middle School.
Since 2017-18: students up 10% (317 to 349); teachers down 10% (24.9 to 22.5).
About Atlantic Middle School
Atlantic Middle School runs as a mid-sized middle school in Atlantic, Iowa. It enrolls 349 students in 2024-25. The grades offered are 6 through 8.
Atlantic Comm School District has 1,587 students spread across 4 schools.
Of every 100 students at Atlantic Middle School, about 84 are White. Smaller groups are 7% Pacific Islander, 5% Hispanic, and 3% multiracial. For comparison, the population of Cass County is roughly 95% White. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 29%.
Atlantic Middle School reported 22.5 full-time-equivalent teachers in 2024-25, a ratio of 15.5:1. It is about the same as the 15.2:1 average for middle schools in Iowa. Roughly 44% of students at Atlantic Middle School can receive free or reduced-price lunch.
On the allk12 Grade, Atlantic Middle School lands at B, ahead of 62% of Iowa public middle schools.
Atlantic Middle School scores 76.4% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 69.7%.
In Cass County, median household income comes to about $63,013, roughly 22% of adults have a four-year degree or more, and about 11% of residents live below the federal poverty line. Cass County counts 13 public schools with about 3,957 students.
Schuler Elementary School sits less than a tenth of a mile from Atlantic Middle School. There are 3 other public schools within five miles. Atlantic Middle School places 3rd of 6 on proficiency among the closest schools that report scores.
Atlantic Middle School falls in the Town: Remote locale category, used for schools in a town far from an urbanized area.
Enrollment figures show a increase of 9 students from 2020-21 to 2024-25.
The allk12 page for Atlantic Middle School lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. You can also rate the school on this page.
Cass County at a glance
View full county profilePopulation
13,096
Census ACS
Median income
$63,013
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
13
3,957 students
Quick facts
Related schools
Other schools in Atlantic Comm School District
- Washington Elementary SchoolElementary · 554 students
- Atlantic High SchoolHigh · 478 students
- Schuler Elementary SchoolElementary · 206 students
Other schools in Atlantic
- Washington Elementary SchoolElementary · 554 students
- Atlantic High SchoolHigh · 478 students
- Schuler Elementary SchoolElementary · 206 students
Other Atlantic Middle schools
One other US public school is named Atlantic Middle. Atlantic Middle School is the 2nd largest of the 2.
- Atlantic MiddleQuincy, MA · 601 students
Nearby schools
- Schuler Elementary School0.1 mi · 206
- Washington Elementary School0.1 mi · 554
- Atlantic High School0.6 mi · 478
- CAM Jr./Sr. High School12.6 mi · 188
- Iowa Connections Academy Middle School12.8 mi · 308
- Iowa Connections Academy Elementary12.8 mi · 216
Frequently asked questions
About Atlantic Middle SchoolWhat is the total enrollment at Atlantic Middle School?
Atlantic Middle School enrolls approximately 349 students in grades 06-08.
Is Atlantic Middle School an elementary, middle, or high school?
Atlantic Middle School is a middle school covering grades 06-08.
How many students per teacher at Atlantic Middle School?
Approximately 15.5:1 students per teacher at Atlantic Middle School.
What is the racial breakdown of students at Atlantic Middle School?
At Atlantic Middle School, the student body is approximately 84% White, 5% Hispanic, 1% Black, 1% Asian, 3% Two or more.
What district is Atlantic Middle School in?
Atlantic Middle School is part of Atlantic Comm School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.