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Petroleum County

Montana · Public K-12

Petroleum County hosts 3 public K-12 schools. Together they educate about 69 Montana students across 1 elementary, 1 middle, and 1 high.

7-year change in Petroleum County

SY 2017-18 vs SY 2024-25
Total enrollment
69
-12 (-15%) vs SY 2017-18
School count
3
0 (0%) vs SY 2017-18
% White
99%
was 96%
% Hispanic
1%
was 0%
% Black
0%
was 4%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
3
1 districts
Enrollment
69
NCES CCD
Median income
$60,208
Below Montana avg
Free/reduced lunch
100.0%
Above Montana avg
Elementary
1
37 students
Middle
1
13 students
High
1
19 students
Combined / other
0
schools
LARGEST DISTRICT
Winnett K-12 Schools
69 students · 1 district in Petroleum County

County vs. school enrollment demographics

Left bar is the racial makeup of Petroleum County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".

County residents
White
99%
Hispanic
0%
Black
0%
Asian
1%
Two or more
0%
Native American
0%
Pacific Islander
0%
School enrollment
White
99%
Hispanic
1%
Black
0%
Asian
0%
Two or more
0%
Native American
0%
Pacific Islander
0%
Bachelor's+
30.8%
adults 25+
Poverty rate
3.7%
ACS 5-year
Unemployment
0.0%
civilian labor
Median age
52
14.8% under 18

All schools (3)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
Winnett SchoolWinnettElementaryPK-0637·
Winnett High SchoolWinnettHigh09-1219·
Winnett 7-8WinnettMiddle07-0813·

Cities in Petroleum County

Winnett3 schools

About Petroleum County

Petroleum County is a sparse county of about 447 residents in Montana. Its public-school system instructs approximately 69 students across 3 schools.

Looking at the wider area, census numbers show typical household earnings sit around $60,208, roughly 31% of adults have completed at least a four-year degree, and the poverty rate is around 4%. That income level is 8% lower than the Montana median.

For a sense of the school types, Petroleum County is built around 1 elementary school (37 students), 1 middle school (13), and 1 high school (19).

Winnett K-12 Schools is the biggest district by enrollment, covering about 69 students across Petroleum County.

Looking at the last 7 years. Total public-school enrollment in Petroleum County has decreased 15% since SY 2017-18, moving from about 81 students to 69. On the demographic side, Black enrollment moved from 4% to 0% over the same window.

In the discussion threads here, the community for Petroleum County discusses sports rivalries, cross-district programs, and shared facilities. Posts come from current and former families, staff, and alumni.

Frequently asked questions

How many public schools are in Petroleum County?
Petroleum County, Montana has 3 public K-12 schools serving approximately 69 students.
How many high schools are in Petroleum County?
Petroleum County, Montana has 1 public high school, serving approximately 19 students.
How many middle schools are in Petroleum County?
Petroleum County, Montana has 1 public middle school, serving approximately 13 students.
How many elementary schools are in Petroleum County?
Petroleum County, Montana has 1 public elementary school, serving approximately 37 students.
What is the largest school district in Petroleum County?
Winnett K-12 Schools is the largest school district in Petroleum County, serving approximately 69 students. The county contains 1 school district overall.
How many people live in Petroleum County?
Petroleum County has roughly 447 residents according to the latest Census ACS 5-year estimate.
What is the median household income in Petroleum County?
Median household income in Petroleum County is $60,208, below the Montana average of $65,455. About 3.7% of residents live below the federal poverty line.
How educated are residents of Petroleum County?
Approximately 30.8% of adults 25 and older in Petroleum County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Petroleum County qualify for free or reduced lunch?
Roughly 100.0% of students in Petroleum County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is higher than the Montana county average of 57.4%.
What is the student-teacher ratio in Petroleum County schools?
Across Petroleum County public schools, the enrollment-weighted student-teacher ratio is approximately 6.4 to 1.
DATA · Census ACS 5-year · NCES Common Core of Data