Enrollment
204
High
DISTRICT 159 · STATE 834
SCHOOL COMMUNITY·SANGAMON VALLEY CUSD 9·NCES 170032405625
Sangamon Valley High School
398 N Illinois St, Niantic, IL 62551 · (217) 668-2392 · Macon County
GRADES 09–12HIGH41-RURALTITLE IREGULAR SCHOOL204 STUDENTS
B-
allk12 Grade
Scored higher than 51% of Illinois 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.
- B+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 Illinois public high schools
Student : Teacher
11.3:1
18 FTE teachers
DISTRICT 12.6:1 · STATE 13.8:1
Free / Reduced Lunch
66%
135 students
DISTRICT 65% · STATE 56%
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 9 | 56 | 27% |
| Grade 10 | 62 | 30% |
| Grade 11 | 41 | 20% |
| Grade 12 | 45 | 22% |
Student demographics
19%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 18% · STATE 69% · 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 Sangamon Valley CUSD 9. Attendance zones can vary; confirm enrollment with the district.
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
30.9%
composite math + reading, all grades
Predicted
33.3%
based on IL schools with similar FRL share
Beats by
-2.4pp
below demographic expectation
What this means: About 31% of students here test proficient in math and reading, compared with the roughly 33% typical for Illinois 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 Illinois'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 Sangamon Valley High School
Sangamon Valley High School's state test result (30.9% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Sangamon Valley High School this school | 204 | 66.2% | 30.9% |
| Ramsey High School Ramsey | 181 | 66.9% | 51.9% |
| Georgetown-Ridge Farm High School Georgetown | 243 | 65.8% | 28.3% |
| Cowden-Herrick Jr/Sr High School Cowden | 168 | 64.3% | 51.2% |
| Dupo High School Dupo | 259 | 67.2% | 23.9% |
| West Central High School Biggsville | 212 | 62.3% | 17.8% |
Matched among Illinois 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 Sangamon Valley High School ranks
Among high schools| Measure | This school | In Illinois | In Macon County |
|---|---|---|---|
| State test proficiency ranked highest first | 30.9% | #346 of 573 | #5 of 8 |
| Enrollment ranked largest first | 204 | #535 of 708 | #8 of 8 |
| Students per teacher ranked fewest first | 11.3:1 | #69 of 528 | #1 of 8 |
| Diversity index ranked most diverse first | 19.1% | #383 of 537 | #7 of 8 |
| Free and reduced lunch ranked highest share first | 66.2% | #165 of 578 | #3 of 8 |
| Enrollment change since 2017-18 ranked steepest decline first | -9.3% | #180 of 358 | #3 of 6 |
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
204
+2 (+1%) vs 2020
-12% since 2010-11, when it was 233
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 | 204 | 18 | 11.3:1 | 66% (135) |
| 2023-24 | 194 | 17.4 | 11.2:1 | 60% (116) |
| 2022-23 | 180 | 17.4 | 10.4:1 | 53% (95) |
| 2020-21 | 202 | N/A | N/A | N/A |
| 2017-18 | 225 | 17.4 | 12.9:1 | 36% (82) |
| 2015-16 | 236 | 16 | 14.8:1 | 48% (114) |
| 2010-11 | 233 | 12 | 19.4:1 | 42% (97) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Sangamon Valley High School.
Since 2017-18: students down 9% (225 to 204); teachers up 4% (17.4 to 18).
About Sangamon Valley High School
Sangamon Valley High School is a public high school in Niantic, Illinois. The latest federal count shows 204 students in grades 9 through 12. The average for high schools in Illinois is about 834 students, so this school is 76% smaller than average.
Sangamon Valley CUSD 9 operates 4 schools. Combined enrollment is 634 students.
Federal enrollment data show Sangamon Valley High School is 90% White. It is also 4% multiracial and 4% Hispanic. Macon County's residents are about 74% White, 16 points below the school's share. Pick two students at random and there is a 19% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Sangamon Valley High School operates with 18 full-time-equivalent teachers, a ratio of about 11.3:1. On average, high schools in Illinois have 13.8:1, compared with 11.3:1 here. Sangamon Valley High School reports 66% of students eligible for free or reduced-price meals.
The allk12 Grade for Sangamon Valley High School is B-. Compared with Illinois public high schools, the school scored higher than 51% on a mix of test scores, poverty-adjusted results, and recent trend.
BeatsExpectations compares each school's average proficiency rate on state tests with a prediction based on free or reduced-price lunch eligibility. For Sangamon Valley High School, the prediction is 33.3% and the result is 30.9%.
Across Macon County, the median household income is $62,666, a bachelor's degree or higher is held by about 24% of adults, and the share of residents below the poverty line is 10%. Macon County is home to 43 public schools and about 14,702 public school students.
Sangamon Valley Primary School is the nearest neighboring public school, about 4.0 miles away. Within five miles of Sangamon Valley High School, there are 3 other public schools. On proficiency, Sangamon Valley High School is behind the 37.6% nearby average, ranking 6th of 8.
Locale data from NCES put Sangamon Valley High School in rural territory close to an urban area (Rural: Fringe).
From 2020-21 to 2024-25, enrollment held near 204, starting from 202.
To ask about school events, clubs, and volunteer needs, start a discussion on this page. Anyone with firsthand experience at this school can post or comment.
Macon County at a glance
View full county profilePopulation
101,849
Census ACS
Median income
$62,666
Household, ACS
Bachelor's+
24%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
43
14,702 students
Quick facts
Related schools
Other schools in Sangamon Valley CUSD 9
- Sangamon Valley Primary SchoolElementary · 170 students
- Sangamon Valley Middle SchoolMiddle · 145 students
- Sangamon Valley Intermediate SchoolElementary · 115 students
Nearby schools
- Sangamon Valley Primary School4.0 mi · 170
- Sangamon Valley Middle School4.5 mi · 145
- Sangamon Valley Intermediate School4.5 mi · 115
- Warrensburg-Latham Elementary School7.1 mi · 475
- Warrensburg-Latham Middle School7.1 mi · 203
- Warrensburg-Latham High School7.2 mi · 336
Frequently asked questions
About Sangamon Valley High SchoolHow many students attend Sangamon Valley High School?
Sangamon Valley High School enrolls approximately 204 students in grades 09-12.
What grades does Sangamon Valley High School serve?
Sangamon Valley High School serves grades 09-12.
How many teachers does Sangamon Valley High School have?
Sangamon Valley High School employs 18 FTE teachers, for a student-to-teacher ratio of 11.3:1.
How diverse is Sangamon Valley High School?
Sangamon Valley High School reports a student body of 90% White, 4% Hispanic, 0% Black, 1% Asian, 4% Two or more.
Who oversees Sangamon Valley High School?
Sangamon Valley High School is overseen by Sangamon Valley CUSD 9 in Macon County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.