Enrollment
347
Middle
DISTRICT 424 · STATE 461
SCHOOL COMMUNITY·DUNKLIN R-V·NCES 291425002399
SENN-THOMAS MIDDLE
200 SENN THOMAS DR, HERCULANEUM, MO 63048 · (636) 479-5200 · Jefferson County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL347 STUDENTS
Student : Teacher
16.1:1
22 FTE teachers
DISTRICT 13.9:1 · STATE 13.0:1
Free / Reduced Lunch
45%
155 students
DISTRICT 45% · STATE 54%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle 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
Students here typically continue to
SENN-THOMAS MIDDLE→HERCULANEUM HIGH
Feeds from
Based on grade levels within DUNKLIN R-V. Attendance zones can vary; confirm enrollment with the district.
Test scores
MO DVT (Growth) 2024-25 . Growth Percentile vs PeersEnglish Language Arts
39.7%
MO avg 49.5% . -16.3pp since 2023
Math
17.0%
MO avg 48.7% . -65.0pp since 2023
What this means: On the MO DVT (Growth), Missouri's statewide test, about 40 of every 100 students at this school read and write at grade level and about 17 of 100 do math at grade level. Across all Missouri schools, those numbers are about 50 and 49. Reading and writing scores are down about 16 points since 2023, while math scores are down about 65 points.
Source: MO DVT (Growth). 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
51.7%
composite math + reading, all grades
Predicted
50.4%
based on MO schools with similar FRL share
Beats by
+1.3pp
above demographic expectation
What this means: About 52% of students here test proficient in math and reading, compared with the roughly 50% typical for Missouri 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 Missouri'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
347
+2 (+1%) vs 2017
Student : Teacher
16.1:1
was 15.2:1
% White
86%
was 90%
% Hispanic
3%
was 2%
% Black
3%
was 5%
% Asian
1%
was 0%
Source: NCES Common Core of Data
About SENN-THOMAS MIDDLE
SENN-THOMAS MIDDLE is one of the intimate middle-grades schools in HERCULANEUM, Missouri, run under DUNKLIN R-V, with 347 students on its rolls from grades 6 through 8. Enrollment runs roughly 25% below the state mean of about 461.
DUNKLIN R-V runs 4 schools in total, collectively educating 1,697 students. SENN-THOMAS MIDDLE is one of those campuses.
On demographics, SENN-THOMAS MIDDLE shows that nearly all students (86%) are White. The remainder comes out to 6% multiracial, 3% Hispanic, 3% Black. That composition is broadly in line with Jefferson County as a whole.
Looking at the economic backdrop, SENN-THOMAS MIDDLE shows 22 full-time-equivalent teachers, putting the student-to-teacher ratio at about 16.1:1. Statewide, the average ratio sits near 13.0:1, putting SENN-THOMAS MIDDLE higher than the state norm the norm. An estimated 45% of students are eligible for free or reduced-price lunch, often used as a Title I proxy.
Adjusting for the school's free-and-reduced-lunch share, SENN-THOMAS MIDDLE performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 50.4%, the actual is 51.7%, a residual of +1.3 points.
Across the wider county, the surrounding county (Jefferson County) logs that median household earnings sit near $82,851, roughly 25% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. In all, Jefferson County runs 69 public schools (combined enrollment of about 36,216 students), of which SENN-THOMAS MIDDLE is one.
Nearest neighbor: TAYLOR EARLY CHILDHOOD, around 0.5 miles off. Counting just inside five miles, 8 other public schools cluster around SENN-THOMAS MIDDLE. On composite proficiency, SENN-THOMAS MIDDLE comes 5th of 7 in the immediate cluster, beneath the nearby-schools average of 51.7%.
The school occupies an outer-ring site.
Trend over the last 7 years. Over the past 7-year window, the student count changed only slightly: 345 students in 2018 compared to 347 in 2025.
Inside the community feed, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.
Jefferson County at a glance
View full county profilePopulation
229,458
Census ACS
Median income
$82,851
Household, ACS
Bachelor's+
25%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
69
36,216 students
Quick facts
Related schools
Other schools in DUNKLIN R-V
- PEVELY ELEM.Elementary · 714 students
- HERCULANEUM HIGHHigh · 466 students
- TAYLOR EARLY CHILDHOODElementary · 170 students
Other schools in HERCULANEUM
- HERCULANEUM HIGHHigh · 466 students
- TAYLOR EARLY CHILDHOODElementary · 170 students
Nearby schools
- TAYLOR EARLY CHILDHOOD0.5 mi · 170
- HERCULANEUM HIGH0.6 mi · 466
- PEVELY ELEM.1.2 mi · 714
- CRYSTAL CITY HIGH3.0 mi · 238
- CRYSTAL CITY ELEM.3.4 mi · 324
- FESTUS SR. HIGH3.9 mi · 1,019
Frequently asked questions
About SENN-THOMAS MIDDLEWhat is the total enrollment at SENN-THOMAS MIDDLE?
SENN-THOMAS MIDDLE enrolls approximately 347 students in grades 06-08.
What age range does SENN-THOMAS MIDDLE serve?
SENN-THOMAS MIDDLE serves students from grade 06 through grade 08.
How many students per teacher at SENN-THOMAS MIDDLE?
Approximately 16.1:1 students per teacher at SENN-THOMAS MIDDLE.
What is the student diversity at SENN-THOMAS MIDDLE?
Student demographics at SENN-THOMAS MIDDLE are roughly 86% White, 3% Hispanic, 3% Black, 1% Asian, 6% Two or more.
What district is SENN-THOMAS MIDDLE in?
SENN-THOMAS MIDDLE is part of DUNKLIN R-V.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.