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SCHOOL COMMUNITY·POTOSI R-III·NCES 292550001497

POTOSI HIGH

1 TROJAN DR, POTOSI, MO 63664 · (573) 438-2156 · Washington County
GRADES 09–12HIGH42-RURALTITLE IREGULAR SCHOOL673 STUDENTS
B+
allk12 Grade
Scored higher than 68% of Missouri public high schools
  • BTest 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.
  • DThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Missouri public high schools

Enrollment
673
High
DISTRICT 528 · STATE 501
Student : Teacher
16.0:1
42 FTE teachers
DISTRICT 13.3:1 · STATE 12.2:1
Free / Reduced Lunch
100%
673 students
DISTRICT 100% · STATE 54%
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, 2024-25

GradeStudentsShare
Grade 916224%
Grade 1016024%
Grade 1116725%
Grade 1218427%
Student demographics
9%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 8% · STATE 52% · US 70%
White
64295%
DISTRICT 96% · STATE 67% · US 43%
Hispanic
101%
DISTRICT 1% · STATE 9% · US 30%
Black
41%
DISTRICT 0% · STATE 15% · US 15%
Asian
20%
DISTRICT 0% · STATE 2% · US 6%
Two+
142%
DISTRICT 2% · STATE 6% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
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
Male
33249%
Female
34151%

School pathway

Feeds from
JOHN A. EVANS MIDDLE07–08
Based on grade levels within POTOSI R-III. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

MAP 2024-25 . % Proficient + Advanced
English Language Arts
65.3%
MO avg 44.9% . +4.9pp since 2021
Math
20.1%
MO avg 43.8% . -21.7pp since 2021

What this means: On the MAP, Missouri's statewide test, about 65 of every 100 students at this school read and write at grade level and about 20 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are up about 5 points since 2021, while math scores are down about 22 points.

Performance levels, 2024-25

SubjectAdvancedProficientBasicBelow Basic
English Language Arts12.1%53.2%25.6%8.9%
Math5.6%14.5%34.8%44.9%
Share of tested students at each MAP level. Each student counts in one level, so a row adds to about 100%.

MAP results by year

School yearEnglish Language ArtsMath
2024-2565.3%20.1%
2023-2456.7%44.2%
2022-2361.3%38.9%
2021-2260.4%41.8%
% Proficient + Advanced, all students and all tested grades.
Source: MAP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
OUTPERFORMING
Top 10% of MO schools after controlling for student poverty
Actual proficiency
40.1%
composite math + reading, all grades
Predicted
22.4%
based on MO schools with similar FRL share
Beats by
+17.7pp
above demographic expectation

What this means: About 40% of students here test proficient in math and reading, well above the roughly 22% typical for Missouri schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 18 points, placing it in Missouri's top 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 POTOSI HIGH

POTOSI HIGH's state test result (40.1% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
POTOSI HIGH this school673100.0%40.1%
DONIPHAN HIGH
DONIPHAN
487100.0%38.6%
LICKING HIGH
LICKING
397100.0%28.6%
WARSAW HIGH SCHOOL
WARSAW
385100.0%28.6%
HOUSTON HIGH
HOUSTON
359100.0%42.0%
EAST PRAIRIE HIGH
EAST PRAIRIE
301100.0%26.0%
Matched among Missouri high 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 POTOSI HIGH ranks

Among high schools
MeasureThis schoolIn Missouri
State test proficiency
ranked highest first
40.1%#182 of 443
Math proficiency
ranked highest first
20.1%#373 of 453
▼ 229
Reading proficiency
ranked highest first
65.3%#55 of 382
▲ 41
3-year test score change
ranked biggest drop first
-8.4pp#29 of 231
Enrollment
ranked largest first
673#138 of 561
Students per teacher
ranked fewest first
16.0:1#264 of 343
Diversity index
ranked most diverse first
8.9%#311 of 343
Free and reduced lunch
ranked highest share first
100%#50 of 455
Enrollment change since 2017-18
ranked fastest growth first
+0.1%#151 of 151
Ranked against other public high 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 2024-25
Enrollment
673
+23 (+4%) vs 2020
-27% since 1990-91, when it was 918
Student : Teacher
16.0:1
was 15.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2567342.216.0:1100% (673)
2023-2467943.215.7:1100% (679)
2022-236824116.6:1100% (682)
2020-216504215.5:1100% (647)
2017-1867244.415.2:1100% (672)
2015-167274516.2:1100% (724)
2010-116973818.3:144% (305)
2000-017394118.0:134% (248)
1990-919184719.5:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for POTOSI HIGH.

Since 2017-18: students unchanged (672 to 673); teachers down 5% (44.4 to 42.2).

About POTOSI HIGH

POTOSI HIGH is a medium-sized high school in POTOSI, Missouri, administered by POTOSI R-III. A federal count lists 673 students at the school, in grades 9 through 12. An average school in this group (high schools in Missouri) has about 501 students.

POTOSI R-III is made up of 4 schools with 2,110 students in all.

White students make up 95% of enrollment at POTOSI HIGH. Smaller groups are 2% multiracial. For comparison, Washington County is about 92% White. POTOSI HIGH's diversity index is 9%, against a US figure of 70%.

Teachers at the school number 42.2 full-time equivalents, and the ratio is 16.0:1. On average, high schools in Missouri have 12.2:1, compared with 16.0:1 here. The school's lunch program data list 100% of students as eligible for free or reduced-price meals. That tracks the 100% average for public schools in Washington County.

The allk12 Grade for POTOSI HIGH is B+. Compared with Missouri public high schools, the school scored higher than 68% on a mix of test scores, poverty-adjusted results, and recent trend.

POTOSI HIGH beats its predicted average proficiency rate on state tests by 17.7 points (40.1% versus 22.4%), a top-10% result in Missouri on BeatsExpectations.

County data help place the school in context: in Washington County, the median household income is $56,043, about 12% of adults have at least a bachelor's degree, and roughly 13% of residents are in poverty. In all, Washington County has 12 public schools and roughly 3,450 students.

Of nearby public schools, CITADEL SCHOOL is the closest, at about 0.1 miles. POTOSI HIGH has 4 other public schools within five miles. POTOSI HIGH comes in 3rd of 6 nearby schools on average proficiency.

POTOSI HIGH falls in the Rural: Distant locale category, used for schools in rural territory some distance from an urban area.

Compared with 2020-21, the school had 23 more students in 2024-25.

Conversations here can range across school safety, transportation, and start times. Posting is open to anyone connected to the school.

Washington County at a glance

View full county profile
Population
23,470
Census ACS
Median income
$56,043
Household, ACS
Bachelor's+
12%
Adults 25+
Poverty rate
13%
Below federal line
Schools in county
12
3,450 students

Quick facts

School name
POTOSI HIGH
District
POTOSI R-III
Address
1 TROJAN DR, POTOSI, MO 63664
Phone
(573) 438-2156
County
Washington County
Level
High
Grade range
09–12
Total enrollment
673
Teachers (FTE)
42
Student–teacher ratio
16.0:1
Free and reduced lunch
673 (100%)
Locale
42-Rural: Distant
NCES ID
292550001497
Charter school
No
Virtual school
No

Related schools

Other schools in POTOSI R-III
Other schools in POTOSI
Other Potosi High schools

One other US public school is named Potosi High. POTOSI HIGH is the largest of the 2.

Nearby schools

Frequently asked questions

About POTOSI HIGH
How many students attend POTOSI HIGH?
POTOSI HIGH enrolls approximately 673 students in grades 09-12.
What grades does POTOSI HIGH serve?
POTOSI HIGH serves grades 09-12.
How many students per teacher at POTOSI HIGH?
Approximately 16.0:1 students per teacher at POTOSI HIGH.
What is the student diversity at POTOSI HIGH?
Student demographics at POTOSI HIGH are roughly 95% White, 1% Hispanic, 1% Black, 0% Asian, 2% Two or more.
What district is POTOSI HIGH in?
POTOSI HIGH is part of POTOSI R-III.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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