Total enrollment
3,086
-81 (-3%) vs SY 2017-18
Piatt County
Illinois · Public K-12
The schools list below covers the full public K-12 directory for Piatt County: 14 campuses, 3,086 students, Monticello Cusd 25 as the largest district. The level mix is 6 elementary, 4 middle, and 4 high schools.
7-year change in Piatt County
SY 2017-18 vs SY 2024-25School count
14
-1 (-7%) vs SY 2017-18
% White
92%
was 94%
% Hispanic
3%
was 1%
% Black
2%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
14
6 districts
Enrollment
3,086
NCES CCD
Median income
$94,811
Above Illinois avg
Free/reduced lunch
38.0%
Below Illinois avg
Elementary
6
1,511 students
Middle
4
728 students
High
4
847 students
Combined / other
0
schools
LARGEST DISTRICT
Monticello CUSD 25
1,707 students · 6 districts in Piatt County
County vs. school enrollment demographics
Left bar is the racial makeup of Piatt County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
32.9%
adults 25+
Poverty rate
4.9%
ACS 5-year
Unemployment
2.8%
civilian labor
Median age
43
21.6% under 18
Test scores in Piatt County
Latest 2024-25 ELA proficiency, 10 schools ranked. Illinois state average: 51.0%.
Top 5 schools (ELA)
- Cerro Gordo Jr and Sr High Sch· 76.6%
- Monticello Middle School· 70.4%
- Bement Middle School· 68.3%
- White Heath Elem School· 62.6%
- Washington School· 57.8%
Lowest 5 schools (ELA)
- Blue Ridge Intermediate-Jr HS· 50.0%
- Bement Elementary School· 52.6%
- Cerro Gordo Elem School· 53.8%
- Deland-Weldon Elem School· 55.3%
- Atwood-Hammond Grade School· 56.2%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Washington School | Monticello | Elementary | PK-03 | 543 | · |
| Monticello High School | Monticello | High | 09-12 | 489 | · |
| Monticello Middle School | Monticello | Middle | 06-08 | 405 | · |
| White Heath Elem School | White Heath | Elementary | 04-05 | 270 | · |
| Cerro Gordo Elem School | Cerro Gordo | Elementary | PK-05 | 246 | · |
| Blue Ridge Intermediate-Jr HS | Mansfield | Middle | 04-08 | 232 | · |
| Cerro Gordo Jr and Sr High Sch | Cerro Gordo | High | 06-12 | 228 | · |
| Atwood-Hammond Grade School | Atwood | Elementary | PK-08 | 209 | · |
| Bement Elementary School | Bement | Elementary | PK-05 | 143 | · |
| Deland-Weldon Elem School | Weldon | Elementary | PK-05 | 100 | · |
| Bement High School | Bement | High | 09-12 | 85 | · |
| Bement Middle School | Bement | Middle | 06-08 | 63 | · |
| Deland-Weldon High School | De Land | High | 09-12 | 45 | · |
| Deland-Weldon Middle School | Weldon | Middle | 06-08 | 28 | · |
Cities in Piatt County
About Piatt County
Across the thinly populated Illinois county of Piatt County of about 16,695 residents, the public-school footprint covers 14 schools and about 3,086 students.
Zooming out, census numbers show the median household earns about $94,811 a year, roughly 33% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. That income level is 35% noticeably above the Illinois median.
For a sense of the school types, Piatt County is made up of 6 elementary schools (1,511 students), 4 middle schools (728), and 4 high schools (847).
Monticello CUSD 25 is the biggest district by enrollment, covering about 1,707 students across Piatt County.
Over the past 7-year window. Combined enrollment now sits at 3,086 students, fell 3% from the 3,167 reported in SY 2017-18. Piatt County now counts 14 public schools, down from 15 in SY 2017-18.
On allk12, the community for Piatt County discusses school events, board meetings, and seasonal calendars. Parents, students, and educators in the area can post or comment.
Frequently asked questions
Piatt County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data