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3 schools in Buffalo

Illinois · Public K-12

Buffalo runs 3 public K-12 schools inside Illinois, with combined enrollment near 564 (1 elementary, 1 middle, and 1 high).

7-year change in Buffalo

SY 2017-18 vs SY 2024-25
Total enrollment
564
+6 (+1%) vs SY 2017-18
School count
3
0 (0%) vs SY 2017-18
% White
92%
was 93%
% Hispanic
3%
was 2%
% Black
1%
was 1%
% Asian
1%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
NameLevelGradesEnrollment
Tri-City Elem SchoolElementaryPK-05273
Tri-City High SchoolHigh09-12154
Tri-City Jr High SchoolMiddle06-08137

About Buffalo

Buffalo is a rural-scale Illinois city in terms of public-school footprint, with 3 schools and 564 students total.

For a sense of the school types, the city is made up of 1 elementary, 1 middle, and 1 high.

Average school size in Buffalo is around 188 students, 61% below the Illinois average of about 480.

Looking at the last 7 years. Across the same 7-year window, public-school enrollment stayed largely flat: 558 students in SY 2017-18 versus 564 in SY 2024-25.

On this page, the community for Buffalo discusses comparison threads between local schools and program reviews. Anyone with firsthand knowledge of these schools is welcome to weigh in.

Frequently asked questions

How many K-12 schools are in Buffalo, Illinois?
There are 3 public K-12 schools in Buffalo, with a combined enrollment of about 564.
How many elementary, middle, and high schools are in Buffalo?
Buffalo has 1 elementary, 1 middle, 1 high public schools.
What is the largest public school in Buffalo?
Tri-City Elem School is the largest public school in Buffalo by enrollment, with approximately 273 students.
What school districts serve Buffalo?
Buffalo public schools are operated by Tri City CUSD 1.
What grade levels do public schools in Buffalo cover?
Public schools in Buffalo serve students from pre-K through grade 12.