Enrollment
246
High
DISTRICT 250 · STATE 410
SCHOOL COMMUNITY·KAW VALLEY·NCES 200797000592
St. Marys Junior Senior High
601 E Lasley, St Marys, KS 66536 · (785) 437-6257 · Pottawatomie County
GRADES 07–12HIGH42-RURALTITLE IREGULAR SCHOOL246 STUDENTS
B-
allk12 Grade
Scored higher than 48% of Kansas public high schools
- B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+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 Kansas public high schools
Student : Teacher
9.5:1
26 FTE teachers
DISTRICT 9.5:1 · STATE 11.9:1
Free / Reduced Lunch
43%
106 students
DISTRICT 37% · STATE 51%
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 7 | 35 | 14% |
| Grade 8 | 31 | 13% |
| Grade 9 | 42 | 17% |
| Grade 10 | 41 | 17% |
| Grade 11 | 45 | 18% |
| Grade 12 | 52 | 21% |
Student demographics
31%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 33% · STATE 58% · 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
QUIET COMMUNITY
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START A DISCUSSIONTest scores
KAP 2024-25 . % Meeting + ExceedingEnglish Language Arts
39.4%
KS avg 44.5%
Math
35.6%
KS avg 38.8%
What this means: On the KAP, Kansas's statewide test, about 39 of every 100 students at this school read and write at grade level and about 36 of 100 do math at grade level. Across all Kansas schools, those numbers are about 45 and 39.
KAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 39.4% | 35.6% |
| 2023-24 | 20.2% | 12.6% |
% Meeting + Exceeding, all students and all tested grades. Kansas set new KAP cut scores in spring 2025, so results from 2023-24 and earlier are not comparable with later years.
Source: KAP. 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
28.6%
composite math + reading, all grades
Predicted
41.6%
based on KS schools with similar FRL share
Beats by
-13.0pp
below demographic expectation
What this means: About 29% of students here test proficient in math and reading, compared with the roughly 42% typical for Kansas 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 Kansas'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 St. Marys Junior Senior High
St. Marys Junior Senior High's state test result (28.6% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| St. Marys Junior Senior High this school | 246 | 43.1% | 28.6% |
| Bennington Junior High/High School Bennington | 219 | 42.9% | 28.9% |
| Girard High Girard | 284 | 44.0% | 36.0% |
| Prairie View High LaCygne | 258 | 44.6% | 28.5% |
| Caney Valley High Caney | 335 | 43.0% | 44.3% |
| Hoisington High Hoisington | 225 | 47.1% | 17.6% |
Matched among Kansas 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 St. Marys Junior Senior High ranks
Among high schools| Measure | This school | In Kansas |
|---|---|---|
| State test proficiency ranked highest first | 28.6% | #135 of 262 |
| Math proficiency ranked highest first | 35.6% | #123 of 262 |
| Reading proficiency ranked highest first | 39.4% | #115 of 262 |
| Enrollment ranked largest first | 246 | #144 of 332 |
| Students per teacher ranked fewest first | 9.5:1 | #11 of 172 |
| Diversity index ranked most diverse first | 31.5% | #95 of 172 |
| Free and reduced lunch ranked highest share first | 43.1% | #136 of 263 |
| Enrollment change since 2017-18 ranked steepest decline first | -12.8% | #26 of 100 |
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 2024-25Enrollment
246
-29 (-11%) vs 2020
+54% since 1990-91, when it was 160
Student : Teacher
9.5:1
was 9.5:1
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 | 246 | 25.9 | 9.5:1 | 43% (106) |
| 2023-24 | 254 | 26.2 | 9.7:1 | 43% (110) |
| 2022-23 | 248 | 27.1 | 9.2:1 | 46% (113) |
| 2020-21 | 275 | 29 | 9.5:1 | 39% (106) |
| 2017-18 | 282 | 29.8 | 9.5:1 | 38% (106) |
| 2015-16 | 276 | 25 | 11.0:1 | 42% (116) |
| 2010-11 | 252 | 20 | 12.6:1 | 44% (112) |
| 2000-01 | 208 | 15 | 13.9:1 | 19% (39) |
| 1990-91 | 160 | 20 | 8.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for St. Marys Junior Senior High.
Since 2017-18: students down 13% (282 to 246); teachers down 13% (29.8 to 25.9).
About St. Marys Junior Senior High
St. Marys Junior Senior High is a public high school run by Kaw Valley in St Marys, Kansas. Its 246 students are spread across grades 7 through 12. The typical figure for high schools in Kansas is about 410 students.
Kaw Valley includes 4 schools. Together they enroll 1,100 students.
At St. Marys Junior Senior High, White students make up 82% of the student body. Other students are 9% Hispanic, 4% multiracial, 2% Black, and 2% Native American. St. Marys Junior Senior High has a diversity index of 31%, compared with 70% for all US public school students.
Teacher staffing is 25.9 full-time equivalents, or about 9.5 students per teacher. The 11.9:1 average for high schools in Kansas is higher than this school's figure. Eligibility for subsidized school meals is 43%. On average, public schools in Pottawatomie County report 31%.
Measured against Kansas public high schools, St. Marys Junior Senior High receives a B-. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
The model predicts 41.6% for a school in Kansas with St. Marys Junior Senior High's free or reduced-price lunch share. St. Marys Junior Senior High posts 28.6%.
Across Pottawatomie County, median household income is about $92,325, roughly 38% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. The public schools of Pottawatomie County number 16 and enroll about 4,283.
St Marys Elem is located about 0.2 miles from St. Marys Junior Senior High. Within ten miles are 4 other public schools. Its average proficiency rate of 28.6% is below the 46.5% average for nearby schools.
St. Marys Junior Senior High has an NCES locale of Rural: Distant.
The student count in 2024-25 was 246, 11% below the 275 of 2020-21.
Discussion on this page can cover sports tryouts, band and choir, and theater. Posting is open to anyone connected to the school.
Pottawatomie County at a glance
View full county profilePopulation
26,204
Census ACS
Median income
$92,325
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
16
4,283 students
Quick facts
Related schools
Other schools in Kaw Valley
- Rossville ElemElementary · 321 students
- St Marys ElemElementary · 280 students
- Rossville Jr.-Sr. High SchoolHigh · 253 students
Nearby schools
- St Marys Elem0.2 mi · 280
- Rossville Elem6.7 mi · 321
- Rossville Jr.-Sr. High School6.9 mi · 253
- Wabaunsee Junior High9.9 mi · 95
- Silver Lake Jr-Sr High12.3 mi · 355
- Silver Lake Elem12.4 mi · 355
Frequently asked questions
About St. Marys Junior Senior HighHow large is St. Marys Junior Senior High?
St. Marys Junior Senior High enrolls approximately 246 students in grades 07-12.
Is St. Marys Junior Senior High an elementary, middle, or high school?
St. Marys Junior Senior High is a high school covering grades 07-12.
How many teachers does St. Marys Junior Senior High have?
St. Marys Junior Senior High employs 26 FTE teachers, for a student-to-teacher ratio of 9.5:1.
What is the student diversity at St. Marys Junior Senior High?
Student demographics at St. Marys Junior Senior High are roughly 82% White, 9% Hispanic, 2% Black, 0% Asian, 4% Two or more.
What district is St. Marys Junior Senior High in?
St. Marys Junior Senior High is part of Kaw Valley.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.