Enrollment
247
High
DISTRICT 217 · STATE 501
SCHOOL COMMUNITY·SILEX R-I·NCES 292829001748
SILEX HIGH
64 HWY UU, SILEX, MO 63377 · (573) 384-5227 · Lincoln County
GRADES 06–12HIGH42-RURALREGULAR SCHOOL247 STUDENTS
C
allk12 Grade
Scored higher than 30% of Missouri public high schools
- C+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.
- CThree-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
Student : Teacher
13.3:1
19 FTE teachers
DISTRICT 12.0:1 · STATE 12.2:1
Free / Reduced Lunch
33%
82 students
DISTRICT 35% · STATE 54%
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 6 | 35 | 14% |
| Grade 7 | 34 | 14% |
| Grade 8 | 40 | 16% |
| Grade 9 | 30 | 12% |
| Grade 10 | 45 | 18% |
| Grade 11 | 39 | 16% |
| Grade 12 | 24 | 10% |
Student demographics
5%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 4% · STATE 52% · 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
School pathway
Feeds from
Based on grade levels within SILEX R-I. Attendance zones can vary; confirm enrollment with the district.
Test scores
MAP 2024-25 . % Proficient + AdvancedEnglish Language Arts
42.1%
MO avg 44.9% . -5.6pp since 2021
Math
40.8%
MO avg 43.8% . -0.8pp since 2021
What this means: On the MAP, Missouri's statewide test, about 42 of every 100 students at this school read and write at grade level and about 41 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are down about 6 points since 2021, while math scores have held steady.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 9.5% | 32.6% | 41.4% | 16.3% |
| Math | 16.6% | 24.2% | 31.0% | 28.0% |
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 year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 42.1% | 40.8% |
| 2023-24 | 37.6% | 26.0% |
| 2022-23 | 44.5% | 33.3% |
| 2021-22 | 47.7% | 41.6% |
% Proficient + Advanced, all students and all tested grades.
Source: MAP. 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
33.4%
composite math + reading, all grades
Predicted
47.5%
based on MO schools with similar FRL share
Beats by
-14.1pp
below demographic expectation
What this means: About 33% of students here test proficient in math and reading, compared with the roughly 47% 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 →
Schools most like SILEX HIGH
SILEX HIGH's state test result (33.4% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| SILEX HIGH this school | 247 | 33.2% | 33.4% |
| CARROLLTON SENIOR HIGH CARROLLTON | 257 | 34.2% | 32.7% |
| LINN HIGH LINN | 317 | 32.5% | 37.3% |
| MAYSVILLE JR.-SR. HIGH MAYSVILLE | 229 | 33.2% | 39.5% |
| SHERWOOD HIGH CREIGHTON | 221 | 34.4% | 29.1% |
| SMITHTON HIGH SMITHTON | 217 | 37.3% | 31.4% |
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 SILEX HIGH ranks
Among high schools| Measure | This school | In Missouri |
|---|---|---|
| State test proficiency ranked highest first | 33.4% | #270 of 443 |
| Math proficiency ranked highest first | 40.8% | #199 of 453 ▲ 114 |
| Reading proficiency ranked highest first | 42.1% | #258 of 382 ▲ 21 |
| 3-year test score change ranked biggest drop first | -3.2pp | #60 of 231 |
| Enrollment ranked largest first | 247 | #294 of 561 |
| Students per teacher ranked fewest first | 13.3:1 | #134 of 343 |
| Diversity index ranked most diverse first | 4.8% | #336 of 343 |
| Free and reduced lunch ranked highest share first | 33.2% | #335 of 455 |
| Enrollment change since 2017-18 ranked fastest growth first | +15.4% | #40 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 2024-25Enrollment
247
+38 (+18%) vs 2020
+80% since 1990-91, when it was 137
Student : Teacher
13.3:1
was 13.1:1
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 | 247 | 18.6 | 13.3:1 | 33% (82) |
| 2023-24 | 258 | 18.9 | 13.6:1 | 29% (75) |
| 2022-23 | 214 | 15.5 | 13.8:1 | 26% (55) |
| 2020-21 | 209 | 16 | 13.1:1 | 35% (74) |
| 2017-18 | 214 | 15 | 14.2:1 | 37% (79) |
| 2015-16 | 204 | 16 | 12.8:1 | 37% (76) |
| 2010-11 | 202 | 15 | 13.5:1 | 41% (82) |
| 2000-01 | 180 | 13 | 13.8:1 | 21% (37) |
| 1990-91 | 137 | 10 | 13.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for SILEX HIGH.
Since 2017-18: students up 15% (214 to 247); teachers up 24% (15 to 18.6).
About SILEX HIGH
SILEX HIGH is listed by the National Center for Education Statistics as a high school in SILEX, Missouri. It covers grades 6 through 12, with a total enrollment of 247 students. Statewide, high schools in Missouri average about 501 students each.
SILEX R-I runs SILEX HIGH along with 1 other school, enrolling 433 students in total.
SILEX HIGH enrolls a student body that is 98% White. By the diversity index, SILEX HIGH comes in at 5%.
A ratio of 13.3:1 comes from the school's 18.6 full-time-equivalent teachers. For comparison, high schools in Missouri average 12.2:1. Free or reduced-price lunch eligibility was 33% in 2024-25. Across public schools in Lincoln County, the average is about the same, 33%.
SILEX HIGH is graded C by allk12, scoring above 30% of Missouri public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
BeatsExpectations compares each school's average proficiency rate on state tests with a prediction based on free or reduced-price lunch eligibility. For SILEX HIGH, the prediction is 47.5% and the result is 33.4%.
In the county around the school, Lincoln County, median household income is about $89,278, 18% of adults hold a bachelor's degree or higher, and about 6% of residents live below the federal poverty line. SILEX HIGH is among the 22 public schools in Lincoln County.
Nearest public school: SILEX ELEM., less than a tenth of a mile away. SILEX HIGH's average proficiency of 33.4% compares with 53.9% for its nearest scored neighbors.
NCES describes the area around SILEX HIGH as Rural: Distant, meaning in rural territory some distance from an urban area.
SILEX HIGH saw enrollment rise 18% between 2020-21 and 2024-25.
If you have questions about science fairs, picture day, and bus routes at SILEX HIGH, you can post them here. Anyone with firsthand experience at this school can post or comment.
Lincoln County at a glance
View full county profilePopulation
63,057
Census ACS
Median income
$89,278
Household, ACS
Bachelor's+
18%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
22
9,367 students
Quick facts
Related schools
Nearby schools
- SILEX ELEM.0.0 mi · 186
- MAIN STREET ELEM.10.7 mi · 423
- CAMP AVERY PARK CAMP10.8 mi · 18
- CLAUDE BROWN ELEMENTARY10.9 mi · 308
- TROY MIDDLE10.9 mi · 732
- BOONE ELEM.10.9 mi · 394
Frequently asked questions
About SILEX HIGHWhat is the total enrollment at SILEX HIGH?
SILEX HIGH enrolls approximately 247 students in grades 06-12.
What age range does SILEX HIGH serve?
SILEX HIGH serves students from grade 06 through grade 12.
How many students per teacher at SILEX HIGH?
Approximately 13.3:1 students per teacher at SILEX HIGH.
What is the student diversity at SILEX HIGH?
Student demographics at SILEX HIGH are roughly 98% White, 0% Hispanic, 1% Black, 1% Two or more.
What district is SILEX HIGH in?
SILEX HIGH is part of SILEX R-I.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.