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Washington County

Idaho · Public K-12

Inside Washington County, Idaho, public K-12 schools number 9 and serve about 1,748 students out of a population of 11,142. By grade band, the county runs 3 elementary, 1 middle, and 4 high schools.

4-year change in Washington County

SY 2020-21 vs SY 2024-25
Total enrollment
1,748
-21 (-1%) vs SY 2020-21
School count
9
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages

How Washington County ranks

Among counties
MeasureThis countyIn IdahoIn the US
Enrollment
ranked largest first
1,748#26 of 35#2,341 of 2,745
Number of schools
ranked most first
9#25 of 35N/A
Students per teacher
ranked fewest first
14.6:1#8 of 35#1,636 of 2,655
Free or reduced-price lunch share
ranked highest first
50.9%#13 of 35#1,578 of 2,526
Diversity index
ranked most diverse first
41.0%#16 of 35#1,447 of 2,707
Counties need at least 3 schools and 1,000 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.

Washington County school rankings

Largest schoolsAll rankings →
Residents
11,142
all ages · ACS 5-yr
Schools
9
3 districts
Enrollment
1,748
students · NCES CCD
Median income
$54,000
Below Idaho avg
Free/reduced lunch
50.9%
Above Idaho avg
Elementary
3
659 students
Middle
1
334 students
High
4
618 students
Combined / other
1
137 students
LARGEST DISTRICT
WEISER DISTRICT
1,442 students · 3 districts in Washington County

County vs. school enrollment demographics

Left bar is the racial makeup of Washington 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
80%
Hispanic
17%
Black
0%
Asian
1%
Two or more
10%
Native American
2%
Pacific Islander
0%
School enrollment
White
73%
Hispanic
23%
Black
0%
Asian
0%
Two or more
3%
Native American
0%
Pacific Islander
0%
Bachelor's+
20.6%
adults 25+
Poverty rate
10.9%
ACS 5-year
Unemployment
5.2%
civilian labor
Median age
45
22.2% under 18

Test scores in Washington County

Latest 2024-25 ELA proficiency, 7 schools ranked. Idaho state average: 53.7%.

See all 7 schools in Washington County ranked by score →

All schools (9)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
WEISER HIGH SCHOOLWeiserHigh09-12511·
PIONEER PRIMARY SCHOOLWeiserElementaryPK-03385·
WEISER MIDDLE SCHOOLWeiserMiddle06-08334·
PARK INTERMEDIATE SCHOOLWeiserElementary04-05199·
MIDVALE SCHOOLMidvaleCombinedPK-12137·
CAMBRIDGE MIDDLE/HIGH SCHOOLCambridgeHigh06-1281·
CAMBRIDGE ELEMENTARY SCHOOLCambridgeElementaryPK-0575·
INDIANHEAD ACADEMY HIGH SCHOOLWeiserHigh09-1213·
MIDVALE ALTERNATIVE SCHOOLMidvaleHigh07-1213·

Cities in Washington County

Weiser5 schoolsCambridge2 schoolsMidvale2 schools

About Washington County

Across the rural-scale Idaho county of Washington County of about 11,142 residents, the public-school footprint covers 9 schools and about 1,748 students.

Looking at the wider area, census numbers show typical household earnings sit around $54,000, roughly 21% of adults have completed at least a four-year degree, and roughly 11% of residents live below the federal poverty line. That income level is 22% below the Idaho median.

Looking at the level breakdown, Washington County covers 3 elementary schools (659 students), 1 middle school (334), 4 high schools (618), and 1 combined or other schools.

WEISER DISTRICT is the biggest district by enrollment, covering about 1,442 students across Washington County.

Looking at the last 4 years. Combined enrollment now sits at 1,748 students, remained close to its prior level from the 1,769 reported in SY 2020-21.

On allk12, the community for Washington County discusses open enrollment windows, redistricting talk, and busing logistics. Members of the local community share what they see day-to-day.

Frequently asked questions

How many public schools are in Washington County?
Washington County, Idaho has 9 public K-12 schools serving approximately 1,748 students.
How many high schools are in Washington County?
Washington County, Idaho has 4 public high schools, serving approximately 618 students.
How many middle schools are in Washington County?
Washington County, Idaho has 1 public middle school, serving approximately 334 students.
How many elementary schools are in Washington County?
Washington County, Idaho has 3 public elementary schools, serving approximately 659 students.
What is the largest school district in Washington County?
WEISER DISTRICT is the largest school district in Washington County, serving approximately 1,442 students. The county contains 3 school districts overall.
What is the population of Washington County?
Washington County, Idaho has a population of approximately 11,142, with a median age of 45. About 22.2% of residents are under 18.
What is the median household income in Washington County?
Median household income in Washington County is $54,000, below the Idaho average of $69,041. About 10.9% of residents live below the federal poverty line.
How educated are residents of Washington County?
Approximately 20.6% of adults 25 and older in Washington County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Washington County qualify for free or reduced lunch?
Roughly 50.9% of students in Washington County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is higher than the Idaho county average of 46.6%.
What is the student-teacher ratio in Washington County schools?
Across Washington County public schools, the enrollment-weighted student-teacher ratio is approximately 15.3 to 1.
DATA · Census ACS 5-year · NCES Common Core of Data