allk12 · Rankings · Lowest proficiency · Illinois · Sangamon County · High schools

The lowest-performing public high schools by test proficiency in Sangamon County, Illinois

Across Sangamon County, Illinois, 9 public high schools are ranked here, ranked by the lowest composite state-assessment proficiency. Lanphier High School leads the list at 14.8%, against a median of 35.3% across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

Sangamon County, Illinois

Best % Proficient

14.8%

Median % Proficient

35.3%

LOWEST PROFICIENCY · SANGAMON COUNTY, ILLINOIS

#	School	City	District	Level	% FRL	Students	% Proficient
1	Lanphier High School	Springfield, IL	Springfield SD 186	High	74.2%	1,117	14.8%
2	Springfield Southeast High Sch	Springfield, IL	Springfield SD 186	High	66.2%	1,229	19.9%
3	Tri-City High School	Buffalo, IL	Tri City CUSD 1	High	42.2%	154	32.7%
4	Riverton High School	Riverton, IL	Riverton CUSD 14	High	51.3%	357	33.8%
5	Auburn High School	Auburn, IL	Auburn CUSD 10	High	40.1%	327	35.3%
6	Pawnee Jr/Sr High Sch	Pawnee, IL	Pawnee CUSD 11	High	8.9%	247	38.0%
7	New Berlin High School	New Berlin, IL	New Berlin CUSD 16	High	26.2%	256	38.3%
8	Springfield High School	Springfield, IL	Springfield SD 186	High	36.3%	1,308	44.7%
9	Williamsville High School	Williamsville, IL	Williamsville CUSD 15	High	18.2%	462	55.1%

Page 1 of 1 · top 9 of 9 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.