Enrollment
375
High
DISTRICT 413 · STATE 468
SCHOOL COMMUNITY·GREENE COUNTY COMM SCHOOL DISTRICT·NCES 191521000918
Greene County High School
1901 North Grimmell, Jefferson, IA 50129 · (515) 386-2188 · Greene County
GRADES 09–12HIGH43-RURALTITLE IREGULAR SCHOOL375 STUDENTS
Student : Teacher
11.8:1
32 FTE teachers
DISTRICT 13.7:1 · STATE 17.3:1
Free / Reduced Lunch
40%
151 students
DISTRICT 47% · 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
Student demographics
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
School pathway
Feeds from
Based on grade levels within Greene County Comm School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
ISASP 2024-25 . % ProficientEnglish Language Arts
77.2%
IA avg 73.6% . +5.3pp since 2023
Math
66.5%
IA avg 70.9% . +2.0pp 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 67 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 5 points since 2023, while math scores are up about 2 points.
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
66.3%
composite math + reading, all grades
Predicted
71.8%
based on IA schools with similar FRL share
Beats by
-5.5pp
below demographic expectation
What this means: About 66% of students here test proficient in math and reading, compared with the roughly 72% 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 →
7-year change
SY 2017-18 vs SY 2024-25Enrollment
375
-19 (-5%) vs 2017
Student : Teacher
11.8:1
was 11.9:1
% White
89%
was 88%
% Hispanic
7%
was 6%
% Black
1%
was 0%
% Asian
0%
was 2%
Source: NCES Common Core of Data
About Greene County High School
Greene County High School is a four-year high school of low-enrollment scale in Jefferson, Iowa, overseen by Greene County Comm School District, teacheing 375 students in grades 9 through 12.
Greene County High School is one of 3 schools operated by Greene County Comm School District, a district that educates 1,240 students overall.
Looking at the student body, Greene County High School reports that the student body is overwhelmingly White (89%). Beyond that, the school records 7% Hispanic, 3% multiracial.
Looking at the economic backdrop, On paper, Greene County High School has 32 full-time-equivalent teachers, translating to a class-load average of around 11.8:1. That figure is tighter than the state norm's 17.3:1 average. About 40% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Greene County (around 48%), the school's rate is somewhat below typical.
After controlling for student poverty, Greene County High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 71.8%, the actual is 66.3%, a residual of -5.5 points.
In the surrounding community, community-level numbers for Greene County indicate median household earnings sit near $63,409, about 21% of the adult population holds a bachelor's degree or above, and roughly 6% of residents live below the federal poverty line. Greene County High School is one of 5 public schools in Greene County (combined enrollment of about 1,425 students).
Nearest neighbor: Greene County Elementary, around 1.9 miles off. Counting just inside five miles, 2 other public schools cluster around Greene County High School. Ranking that nearby cluster on reported proficiency puts Greene County High School at 7th of 9; the average score across the group is 69.2%.
Geographically, the school is in an outlying area.
Trend over the last 7 years. Greene County High School's enrollment has edged down 5% since 2018, when it stood at 394 (now 375).
On the community side, the page collects discussion, questions, and updates around fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.
Greene County at a glance
View full county profilePopulation
8,688
Census ACS
Median income
$63,409
Household, ACS
Bachelor's+
21%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
5
1,425 students
Quick facts
Related schools
Other schools in Greene County Comm School District
- Greene County ElementaryElementary · 518 students
- Greene County Middle SchoolMiddle · 347 students
Other schools in Jefferson
- Greene County ElementaryElementary · 518 students
- Greene County Middle SchoolMiddle · 347 students
Nearby schools
- Greene County Elementary1.9 mi · 518
- Greene County Middle School2.2 mi · 347
- Paton-Churdan Elementary10.0 mi · 86
- Paton-Churdan Jr-Sr High School10.0 mi · 99
- Southeast Valley High School17.7 mi · 340
- Glidden-Ralston Jr-Sr High School17.7 mi · 163
Frequently asked questions
About Greene County High SchoolWhat is the total enrollment at Greene County High School?
Greene County High School enrolls approximately 375 students in grades 09-12.
Is Greene County High School an elementary, middle, or high school?
Greene County High School is a high school covering grades 09-12.
How many students per teacher at Greene County High School?
Approximately 11.8:1 students per teacher at Greene County High School.
What is the student diversity at Greene County High School?
Student demographics at Greene County High School are roughly 89% White, 7% Hispanic, 1% Black, 3% Two or more.
What district is Greene County High School in?
Greene County High School is part of Greene County Comm School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.