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Schools›Illinois›Rochester
SCHOOL COMMUNITY·ROCHESTER CUSD 3A·NCES 173432003518

Rochester High School

1 Rocket Dr, Rochester, IL 62563 · (217) 498-9761 · Sangamon County
GRADES 09–12HIGH22-SUBURBREGULAR SCHOOL692 STUDENTS
A-
allk12 Grade
Scored higher than 83% of Illinois public high schools
  • A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • ·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

Enrollment
692
High
DISTRICT 402 · STATE 834
Student : Teacher
16.9:1
41 FTE teachers
DISTRICT 15.0:1 · STATE 13.8:1
Free / Reduced Lunch
,
Title I proxy
DISTRICT 17% · STATE 56%
Community
5
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 915823%
Grade 1017625%
Grade 1116624%
Grade 1219228%
Student demographics
18%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 20% · STATE 69% · US 70%
White
62490%
DISTRICT 89% · STATE 45% · US 43%
Hispanic
162%
DISTRICT 2% · STATE 29% · US 30%
Black
162%
DISTRICT 2% · STATE 16% · US 15%
Asian
142%
DISTRICT 1% · STATE 6% · US 6%
Two+
203%
DISTRICT 4% · STATE 5% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
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
35351%
Female
33949%

School pathway

Feeds from
Rochester Jr High School07–08
Based on grade levels within Rochester CUSD 3A. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Where Rochester High School ranks

Among high schools
MeasureThis schoolIn IllinoisIn Sangamon County
Enrollment
ranked largest first
692#276 of 708#5 of 12
Students per teacher
ranked fewest first
16.9:1#454 of 528#10 of 11
Diversity index
ranked most diverse first
18.4%#392 of 537#6 of 11
Enrollment change since 2017-18
ranked steepest decline first
-9.7%#172 of 358#3 of 9
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
692
-75 (-10%) vs 2020
+64% since 1990-91, when it was 421
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-256924116.9:1N/A
2023-247094216.9:1N/A
2022-237044615.3:1N/A
2020-21767N/AN/AN/A
2017-1876644.817.1:110% (79)
2015-167744218.4:110% (77)
2010-116844116.7:10% (0)
2000-016063815.9:1N/A
1990-914212516.8:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Rochester High School.

Since 2017-18: students down 10% (766 to 692); teachers down 9% (44.8 to 41).

About Rochester High School

Families in Rochester, Illinois, are served by Rochester High School, a low-enrollment high school. The school serves grades 9 through 12. Enrollment is 692 students.

Rochester CUSD 3A runs Rochester High School along with 4 other schools, enrolling 2,012 students in total.

Rochester High School is 90% White by enrollment. Other reported shares: 3% multiracial, 2% Hispanic, 2% Black, and 2% Asian. That compares with about 78% White among all Sangamon County residents. The diversity index for Rochester High School is 18%. For US public schools as a whole it is 70%.

There are about 16.9 students for every full-time-equivalent teacher at Rochester High School, which has 41. By comparison, the average for high schools in Illinois is 13.8:1.

Among Illinois public high schools, Rochester High School outscored 83%, which works out to an A- on the allk12 Grade.

In Sangamon County, where the school is located, median household income comes to about $75,357, about 37% of adults have at least a bachelor's degree, and roughly 9% of residents are in poverty. There are 77 public schools in the county, enrolling about 27,345, Rochester High School among them.

Measured in a straight line, Rochester Jr High School is less than a tenth of a mile from Rochester High School. Around the school, at least 8 other public schools are within five miles.

Federal records code the school's setting as Suburb: Mid-size.

From 2020-21 to 2024-25, enrollment decreased from 767 to 692, a 10% decline.

Rochester High School has a community page on allk12 for topics such as special education services, counseling, and support programs. You can also rate the school on this page.

Sangamon County at a glance

View full county profile
Population
194,947
Census ACS
Median income
$75,357
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
77
27,345 students

Quick facts

School name
Rochester High School
District
Rochester CUSD 3A
Address
1 Rocket Dr, Rochester, IL 62563
Phone
(217) 498-9761
County
Sangamon County
Level
High
Grade range
09–12
Total enrollment
692
Teachers (FTE)
41
Student–teacher ratio
16.9:1
Locale
22-Suburb: Mid-size
NCES ID
173432003518
Charter school
No
Virtual school
No

Related schools

Other schools in Rochester CUSD 3A
Other schools in Rochester
Other Rochester High schools

3 other US public schools in 4 states are named Rochester High. Rochester High School is the 2nd largest of the 4.

Nearby schools

Frequently asked questions

About Rochester High School
What is the total enrollment at Rochester High School?
Rochester High School enrolls approximately 692 students in grades 09-12.
What age range does Rochester High School serve?
Rochester High School serves students from grade 09 through grade 12.
How many teachers does Rochester High School have?
Rochester High School employs 41 FTE teachers, for a student-to-teacher ratio of 16.9:1.
What is the student diversity at Rochester High School?
Student demographics at Rochester High School are roughly 90% White, 2% Hispanic, 2% Black, 2% Asian, 3% Two or more.
What district is Rochester High School in?
Rochester High School is part of Rochester CUSD 3A.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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