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Belvidere CUSD 100

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At a glance

641^stof 738 Illinois districts▲ 4

Better than 13% of Illinois districts

Elementary 6 Middle 2 High 3Grades PK, KG-12

1201 5th Ave
Belvidere, IL 61008-5125·(815) 544-8513·All Illinois district rankings →

Statewide performance 2018–2026

2026: better than 13.1% of districts

Schools

7,523

Students

Top rankedSeth Whitman Elementary School871^st of 1,737 Illinois elementary schools

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Biggest riser

Seth Whitman Elementary School up 114 spots statewide this year

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Smallest classes

Belvidere South Middle School 10.5 students per teacher

SchoolDigger ratings

2★

1★

1 school without a SchoolDigger rating (too few tested students)

Compare Illinois districts →See the top-ranked Illinois schools →

Summary:

The 10 schools in Belvidere CUSD 100 include six elementary schools, two middle schools and two high schools, serving students from elementary through high school in Belvidere. Results vary by school and subject: both middle schools are below state averages in all-grade IAR English language arts (ELA) and math, and both high schools are below state averages in 11th-grade ACT subjects. The clearest overall takeaway is that school results are uneven, with substantial differences even among schools serving the same grades.

Seth Whitman Elementary stands out among elementary schools, leading in 2025–2026 all-grade IAR ELA at 57% and math at 48%; Perry Elementary scored 30% and 29%, gaps of 27 and 19 percentage points. Caledonia Elementary also stands out in math, scoring 41%, about 1 point above the state. Among the high schools, Belvidere North outscored Belvidere High in 11th-grade ACT ELA, math and science by 9, 13 and 18 points, respectively. North still fell below state results in all three subjects; Belvidere High was 14, 25 and 21 points below the state. Belvidere Central also led Belvidere South, by 6 points in both all-grade IAR ELA and math.

Results improved in several comparisons, but not across the board: the elementary-school average rose 4 points in ELA and 1 point in math from 2024–2025 to 2025–2026, while the two high schools’ average ACT math score fell 2 points. SchoolDigger’s 2025–2026 rankings placed Seth Whitman at the 50th percentile, North at the 47th and Caledonia at the 42nd. School context also differs: in school year 2024–2025, 42% of Seth Whitman students and 61% of Belvidere High students were free/reduced lunch eligible; these figures describe the schools and do not explain their results. Belvidere South had a lower student-teacher ratio than Central—10.5 versus 12.2 students per teacher in school year 2024–2025—yet scored lower on the all-grade IAR measures. These comparisons can help distinguish schools, but results vary by subject and grade.

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Vaccination Finance All

School													Students/Teachers											Ranking (2026)				Ranking (2025)				PreACT Secure English Language Arts (2026)		PreACT Secure Mathematics (2026)		PreACT Secure Science (2026)		ACT English Language Arts (2026)	ACT Mathematics (2026)	ACT Science (2026)	ISA Science (2026)		IAR English Language Arts (2026)							IAR Mathematics (2026)							Vaccination (2025-26)		Per Pupil Expenditures (2026)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/reduced lunch (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	PreACT Secure English Language Arts 9th Grade	PreACT Secure English Language Arts 10th Grade	PreACT Secure Mathematics 9th Grade	PreACT Secure Mathematics 10th Grade	PreACT Secure Science 9th Grade	PreACT Secure Science 10th Grade	ACT English Language Arts 11th Grade	ACT Mathematics 11th Grade	ACT Science 11th Grade	ISA Science 5th Grade	ISA Science 8th Grade	IAR English Language Arts 3rd Grade	IAR English Language Arts 4th Grade	IAR English Language Arts 5th Grade	IAR English Language Arts 6th Grade	IAR English Language Arts 7th Grade	IAR English Language Arts 8th Grade	IAR English Language Arts All Grades	IAR Mathematics 3rd Grade	IAR Mathematics 4th Grade	IAR Mathematics 5th Grade	IAR Mathematics 6th Grade	IAR Mathematics 7th Grade	IAR Mathematics 8th Grade	IAR Mathematics All Grades	Vaccination: Measles protection (all grades)	Vaccination: Exemption rate	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Belvidere High School	Public	9-12	1500 East Ave	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	No	(815) 547-6345	1,167	88	13.3	61.3%	437 (37.4%)	31 (2.7%)	661 (56.6%)	8 (0.7%)	2 (0.2%)	0 (0.0%)	28 (2.4%)	16.9	516^th of 620 public high schools	16.8%		27.9	517^th of 698 public high schools	25.9%	1	41.3	39.4	15.0	20.4	23.3	30.8	35.7	14.5	27.2																	99.6%		$21,993	$531	$21,462
Belvidere South Middle School	Public	6-8	919 E 6th St	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	No	(815) 544-4175	754	71	10.5	65.1%	260 (34.5%)	27 (3.6%)	435 (57.7%)	6 (0.8%)	2 (0.3%)	0 (0.0%)	24 (3.2%)	16.5	959^th of 1126 public middle schools	14.8%		27.2	977^th of 1368 public middle schools	28.6%	18											46.9				40.8	33.0	44.3	39.1				18.9	23.5	16.0	19.6	99.3%		$22,609	$360	$22,249
Caledonia Elementary School	Public	PK, KG-5	2311 Randolph St	Caledonia	61011	Boone County	Belvidere CUSD 100	No	(n/a)	No	No	(815) 547-1977	449	33	13.5	43.2%	274 (61.0%)	13 (2.9%)	145 (32.3%)	0 (0.0%)	2 (0.4%)	0 (0.0%)	15 (3.3%)	39.5	1015^th of 1737 public elementary schools	41.6%		58.1	853^rd of 2056 public elementary schools	58.5%	162										51.4		50.7	50.6	50.7				50.7	43.3	42.2	36.6				40.7	96.4%		$22,379	$483	$21,896
Lincoln Elementary School	Public	K-5	1011 Bonus Ave	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	Yes	(815) 544-2671	573	41	13.8	57.4%	220 (38.4%)	25 (4.4%)	297 (51.8%)	2 (0.3%)	1 (0.2%)	2 (0.3%)	26 (4.5%)	19.3	1393^rd of 1737 public elementary schools	19.8%		28.4	1470^th of 2056 public elementary schools	28.5%	77										41.2		32.7	43.0	36.0				37.2	32.6	31.2	26.7				30.3	96.9%		$19,874	$1,427	$18,447
Perry Elementary School	Public	K-5	633 W Perry St	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	Yes	(815) 544-9274	284	15	19.2	66.5%	112 (39.4%)	14 (4.9%)	140 (49.3%)	0 (0.0%)	2 (0.7%)	0 (0.0%)	16 (5.6%)	15.6	1484^th of 1737 public elementary schools	14.6%		27.4	1498^th of 2056 public elementary schools	27.1%	14										36.7			29.8	34.7				30.1	35.1	21.3	30.6				28.6	98.3%		$21,057	$1,257	$19,800
Washington Academy	Public	PK, KG-5	1031 5th Ave	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	Yes	(815) 544-3124	721	59	12.2	70.5%	193 (26.8%)	23 (3.2%)	468 (64.9%)	8 (1.1%)	3 (0.4%)	0 (0.0%)	26 (3.6%)	15.3	1491^st of 1737 public elementary schools	14.2%		25.2	1559^th of 2056 public elementary schools	24.2%	68										32.7		28.6	34.9	31.6				31.5	29.4	30.3	32.7				30.6	97.8%		$19,819	$1,447	$18,372
Meehan Elementary School	Public	K-5	1401 E 6th St	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	Yes	(815) 547-3546	688	43	15.9	55.2%	259 (37.6%)	17 (2.5%)	390 (56.7%)	2 (0.3%)	2 (0.3%)	0 (0.0%)	18 (2.6%)	16.2	1465^th of 1737 public elementary schools	15.7%		26.2	1534^th of 2056 public elementary schools	25.4%	69										31.7		26.9	45.8	33.7				35.4	38.9	29.9	19.0				29.4	98%		$19,183	$1,330	$17,852
Belvidere Central Middle School	Public	6-8	8787 Beloit Rd	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	No	(815) 544-0190	911	74	12.2	50.6%	484 (53.1%)	32 (3.5%)	342 (37.5%)	8 (0.9%)	3 (0.3%)	0 (0.0%)	42 (4.6%)	24.8	844^th of 1126 public middle schools	25.0%		38.9	789^th of 1368 public middle schools	42.3%	55											52.4				45.1	45.3	45.9	45.4				26.7	30.1	19.0	25.2	98%		$19,761	$521	$19,240
Seth Whitman Elementary School	Public	K-5	8989 Beloit Rd	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	No	(815) 544-3357	622	43	14.4	41.5%	327 (52.6%)	19 (3.1%)	250 (40.2%)	12 (1.9%)	0 (0.0%)	0 (0.0%)	14 (2.3%)	47.9	871^st of 1737 public elementary schools	49.9%		51.1	985^th of 2056 public elementary schools	52.1%	114										44.9		52.8	63.9	52.8				57.0	50.5	52.1	38.2				47.6	96.5%		$16,616	$559	$16,057
Belvidere North High School	Public	9-12	9393 Beloit Rd	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	No	(815) 544-2636	1,354	96	14.1	45.6%	762 (56.3%)	53 (3.9%)	475 (35.1%)	17 (1.3%)	2 (0.1%)	1 (0.1%)	44 (3.2%)	46.1	326^th of 620 public high schools	47.4%		56.4	280^th of 698 public high schools	59.9%	46	66.0	51.9	34.6	31.8	40.0	46.3	44.8	27.6	44.8																	98.2%		$20,984	$361	$20,623
Everest High School	Public	9-12	1320 East Ave	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	(n/a)	(815) 547-8080	0	5	.0	—	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)

Districts nearby

District	Distance	# of Schools	Statewide Rank
Rockford School District 205	7.89 mi	47	672^nd
North Boone CUSD 200	8.65 mi	6	362^nd
Hiawatha CUSD 426	10.74 mi	2	468^th
Genoa Kingston CUSD 424	10.76 mi	4	534^th
Riley CCSD 18	10.8 mi	1	207^th

See the top IL Illinois districts

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Illinois Department of Public Health and the Illinois State Board of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.