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Best Public Schools in Niantic, IL

At a glance

School

204

Students

Top rankedSangamon Valley High School460^th of 698 Illinois high schools

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Summary:

The city of Niantic, Illinois has a single high school, Sangamon Valley High School, which serves students in grades 9-12. The school's performance has fluctuated in recent years, with its statewide ranking ranging from 235 out of 697 Illinois high schools in 2023-2024 to 460 out of 698 in 2024-2025. The school's performance rating by SchoolDigger has also varied, with 3 stars out of 5 in 2023-2024 and 2 stars out of 5 in 2022-2023 and 2024-2025.

Academically, Sangamon Valley High School's proficiency rates in standardized tests, including ACT, PreACT Secure, SAT, and ISA, are consistently lower than the district and state averages. The school's four-year graduation rate for 2024-2025 is 89.0%, slightly lower than the state average, and its dropout rate for 2024-2025 is 2.4%, slightly higher than the state average. Additionally, the school's chronic absenteeism rate for 2024-2025 is 25.4%, significantly higher than the state average.

Regarding demographic and financial information, Sangamon Valley CUSD 9 has a relatively high percentage of students (59.79%) receiving free or reduced-price lunch, indicating a higher proportion of economically disadvantaged students. The school's per-student spending for the 2023-2024 school year was $15,001, which is higher than the state average, but its academic performance suggests that the efficient allocation of resources may be an area of concern.

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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 Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				PreACT Secure English Language Arts (2025)		PreACT Secure Mathematics (2025)		PreACT Secure Science (2025)		ACT English Language Arts (2025)	ACT Mathematics (2025)	ACT Science (2025)	% Polio (2024)	% Measles (2024)	% Mumps (2024)	% Rubella (2024)	% Hepatitis B (2024)	% Varicella (2024)	% DTP (2024)	% Meningococcal (2024)	Per Pupil Expenditures (2025)
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/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	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	% Polio All Grades	% Measles All Grades	% Mumps All Grades	% Rubella All Grades	% Hepatitis B All Grades	% Varicella All Grades	% DTP All Grades	% Meningococcal All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Sangamon Valley High School	Public	9-12	398 N Illinois St	Niantic	62551	Macon County	Sangamon Valley CUSD 9	No	(n/a)	No	No	(217) 668-2392	204	18	11.3	66.2%	183 (89.7%)	1 (0.5%)	8 (3.9%)	3 (1.5%)	0 (0.0%)	0 (0.0%)	9 (4.4%)	38.4	460^th of 698 public high schools	34.1%		58.4	235^th of 697 public high schools	66.3%	225	58.5	46.7	13.2	16.4	34.0	36.1	43.9	29.3	39.0	98.5	99.0	99.0	99.0	99.0	99.0	99.0	96.5	$14,546	$295	$14,251

Cities Near Niantic

City	Distance	# of Schools	Statewide Rank
Illiopolis	4.11 mi	2	315^th
Harristown	4.32 mi	1
Warrensburg	7.55 mi	3	256^th
Decatur	9.66 mi	22	785^th
Blue Mound	11.17 mi	1	476^th

See the top IL Illinois cities

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.