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Robertson Charter School

Public, Charter Grades PK, KG-8

1862^nd

SchoolDigger Rank ?

of 2,056 Illinois Elementary Schools

Better than 9% of Illinois elementary schools

Summary

Robertson Charter School is an elementary school serving grades PK-8 in Decatur, Illinois, which is part of the Decatur School District 61. With 332 students enrolled, Robertson Charter School consistently underperforms the district and state averages on standardized tests, with only 31% of students proficient or better in ELA and just 5.9% proficient in math.

The school faces significant challenges, including very high chronic absenteeism rates ranging from 25.4% to 46.1% in recent years, as well as an extremely high student-teacher ratio, ranging from 47 to 348 students per teacher. Despite spending significantly more per student ($14,838 to $18,507) compared to the district average, these additional resources do not appear to be translating to better academic outcomes for Robertson Charter School students. When compared to nearby schools like Muffley Elementary, which outperforms Robertson in both ELA and math proficiency, it is clear that Robertson is an outlier in terms of poor academic performance and high chronic absenteeism.

Given Robertson Charter School's consistently low performance, there is a clear opportunity for the school and district to implement targeted interventions and support to improve student outcomes. Addressing the high chronic absenteeism and exploring ways to reduce the student-teacher ratio could be potential starting points for improvement. With the right strategies and resources, Robertson Charter School has the potential to better serve its students and the Decatur community.

327

Students ?

29.7

Student/teacher ratio ?

$20,000

Per pupil spending ?

63.9%

Free/discounted lunch ?

2240 E Geddes Ave
Decatur, IL 62526-5127

(217) 428-7072

District: Decatur School District 61

Racial breakdown:

African American:

89.3%

Two or more races:

8.0%

White:

1.2%

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Compare Robertson Charter School to nearby elementary schools!

At a glance

▼ Ranking trend: Recently slipping — 20th percentile in 2024 → 9th in 2025

Worth a look

!Test scores below the Illinois average (16% vs 44% meeting standards)

!In the lower quartile statewide (9th percentile)

!Ranking has slipped from its 20th-percentile peak (2024) to 9th (2025)

Students meeting standards (2024-2025) ?

This school16%

District avg15%

Illinois avg44%

Elementary school

1,862^nd of 2,056

Illinois public elementary schools ?

Bottom 9%▲ up 7 pts since 2015

From bottom 2% (2015) to bottom 9% (2025)

See the entire ranking list of Illinois Elementary Schools →

★★★★★

SchoolDigger rating ?

Middle school

1,172^nd of 1,368

Illinois public middle schools ?

Bottom 14%▲ up 13 pts since 2015

From bottom 1% (2015) to bottom 14% (2025)

See the entire ranking list of Illinois Middle Schools →

★★★★★

SchoolDigger rating ?

4^th of 11Elementary Schools in the Decatur School District 61

806^th of 811Decatur School District 61 among Illinois districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Elementary school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	12.4	1862 of 2056	9.4%	☆☆☆☆☆
2024	20.9	1657 of 2067	19.8%	★☆☆☆☆
2023	17.0	1791 of 2077	13.8%	★☆☆☆☆
2022	17.0	1781 of 2082	14.5%	★☆☆☆☆
2021	12.1	1907 of 1948	2.1%	☆☆☆☆☆
2019	7.5	2066 of 2086	1.0%	☆☆☆☆☆
2018	11.9	1913 of 2037	6.1%	☆☆☆☆☆
2017	8.2	2011 of 2044	1.6%	☆☆☆☆☆
2016	11.8	1923 of 2046	6.0%	☆☆☆☆☆
2015	9.7	2009 of 2052	2.1%	☆☆☆☆☆
2014	39.8	1320 of 2093	36.9%	★★☆☆☆
2013	49.7	1160 of 2167	46.5%	★★☆☆☆
2012	35.0	1592 of 2166	26.5%	★☆☆☆☆
2011	36.9	1547 of 2147	27.9%	★☆☆☆☆
2010	40.0	1480 of 2139	30.8%	★★☆☆☆
2009	33.0	1595 of 2120	24.8%	★☆☆☆☆
2008	36.1	1523 of 2092	27.2%	★☆☆☆☆
2007	13.6	1880 of 2095	10.3%	★☆☆☆☆
2006	12.2	1888 of 2086	9.5%	☆☆☆☆☆
2005	25.3	1661 of 2022	17.9%	★☆☆☆☆
2004	14.5	1769 of 2030	12.9%	★☆☆☆☆
2003	10.6	1774 of 2020	12.2%	★☆☆☆☆

African American

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	34.2	456 of 688	33.7%	★★☆☆☆
2024	40.8	358 of 655	45.3%	★★☆☆☆
2023	40.0	378 of 692	45.4%	★★☆☆☆
2022	43.3	326 of 684	52.3%	★★★☆☆
2021	28.1	359 of 428	16.1%	★☆☆☆☆
2019	20.3	667 of 711	6.2%	☆☆☆☆☆
2018	32.5	473 of 698	32.2%	★★☆☆☆

Female

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	11.9	1798 of 1942	7.4%	☆☆☆☆☆
2024	21.2	1560 of 1942	19.7%	★☆☆☆☆
2023	18.4	1661 of 1957	15.1%	★☆☆☆☆
2022	16.8	1703 of 1970	13.6%	★☆☆☆☆
2021	11.5	1627 of 1680	3.2%	☆☆☆☆☆
2019	10.7	1930 of 2019	4.4%	☆☆☆☆☆
2018	12.1	1851 of 1964	5.8%	☆☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	16.1	1658 of 1800	7.9%	☆☆☆☆☆
2024	30.8	1291 of 1793	28.0%	★☆☆☆☆
2023	26.5	1440 of 1808	20.4%	★☆☆☆☆
2022	25.8	1399 of 1763	20.6%	★☆☆☆☆
2019	11.0	1791 of 1816	1.4%	☆☆☆☆☆
2018	19.5	1597 of 1765	9.5%	☆☆☆☆☆

Male

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	14.6	1712 of 1947	12.1%	★☆☆☆☆
2024	21.5	1546 of 1959	21.1%	★☆☆☆☆
2023	17.5	1695 of 1984	14.6%	★☆☆☆☆
2022	20.4	1580 of 1977	20.1%	★☆☆☆☆
2021	11.2	1684 of 1707	1.3%	☆☆☆☆☆
2019	7.8	2010 of 2019	0.4%	☆☆☆☆☆
2018	14.1	1810 of 1972	8.2%	☆☆☆☆☆

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	17.0	1172 of 1368	14.3%	★☆☆☆☆
2024	21.0	1080 of 1363	20.8%	★☆☆☆☆
2023	15.1	1226 of 1367	10.3%	★☆☆☆☆
2022	14.7	1254 of 1369	8.4%	☆☆☆☆☆
2021	11.7	1203 of 1241	3.1%	☆☆☆☆☆
2019	10.7	1292 of 1356	4.7%	☆☆☆☆☆
2018	9.4	1256 of 1293	2.9%	☆☆☆☆☆
2017	7.3	1286 of 1293	0.5%	☆☆☆☆☆
2016	10.0	1254 of 1294	3.1%	☆☆☆☆☆
2015	8.3	1285 of 1302	1.3%	☆☆☆☆☆
2014	16.2	1158 of 1322	12.4%	★☆☆☆☆
2013	31.3	1002 of 1367	26.7%	★☆☆☆☆
2012	29.9	1051 of 1365	23.0%	★☆☆☆☆
2011	10.4	1250 of 1344	7.0%	☆☆☆☆☆
2010	39.2	936 of 1327	29.5%	★☆☆☆☆
2009	19.6	1100 of 1318	16.5%	★☆☆☆☆
2008	33.5	953 of 1293	26.3%	★☆☆☆☆
2007	20.8	1062 of 1287	17.5%	★☆☆☆☆
2006	14.3	1098 of 1272	13.7%	★☆☆☆☆

African American

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	37.0	355 of 574	38.2%	★★☆☆☆
2024	37.4	325 of 548	40.7%	★★☆☆☆
2023	35.3	356 of 569	37.4%	★★☆☆☆
2022	29.3	450 of 573	21.5%	★☆☆☆☆
2021	26.3	332 of 385	13.8%	★☆☆☆☆
2019	27.6	460 of 565	18.6%	★☆☆☆☆
2018	22.8	450 of 511	11.9%	★☆☆☆☆

Female

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	14.0	1116 of 1248	10.6%	★☆☆☆☆
2024	21.5	990 of 1251	20.9%	★☆☆☆☆
2023	16.4	1112 of 1275	12.8%	★☆☆☆☆
2022	14.7	1169 of 1286	9.1%	☆☆☆☆☆
2021	11.0	981 of 1017	3.5%	☆☆☆☆☆
2019	11.4	1198 of 1276	6.1%	☆☆☆☆☆
2018	9.0	1185 of 1226	3.3%	☆☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	21.8	1030 of 1229	16.2%	★☆☆☆☆
2024	28.8	887 of 1219	27.2%	★☆☆☆☆
2023	23.4	1023 of 1234	17.1%	★☆☆☆☆
2022	17.8	1138 of 1221	6.8%	☆☆☆☆☆
2019	14.2	1150 of 1217	5.5%	☆☆☆☆☆
2018	12.7	1123 of 1161	3.3%	☆☆☆☆☆

Male

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	22.2	978 of 1271	23.1%	★☆☆☆☆
2024	20.7	1013 of 1264	19.9%	★☆☆☆☆
2023	15.2	1168 of 1292	9.6%	☆☆☆☆☆
2022	15.8	1159 of 1286	9.9%	☆☆☆☆☆
2021	11.1	1028 of 1048	1.9%	☆☆☆☆☆
2019	12.1	1226 of 1296	5.4%	☆☆☆☆☆
2018	11.3	1181 of 1223	3.4%	☆☆☆☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Elementary school

African American (2025)34th percentile+24 vs school

Male (2025)12th percentile+3 vs school

Low Socio Economic Status (2025)8th percentile~ school

Female (2025)7th percentile~ school

Middle school

African American (2025)38th percentile+24 vs school

Male (2025)23rd percentile+9 vs school

Low Socio Economic Status (2025)16th percentile~ school

Female (2025)11th percentile-4 vs school

By subject vs Illinois (2024-2025) ?

English Language Arts31%-22 vs state

Science14%-29 vs state

Mathematics6%-33 vs state

★

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Schools Near Robertson Charter School

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				ISA Science (2025)		IAR English Language Arts (2025)							IAR Mathematics (2025)							% Polio (2024)	% Measles (2024)	% Mumps (2024)	% Rubella (2024)	% Hepatitis B (2024)	% Varicella (2024)	% DTP (2024)	% Pneumococcal (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	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	% Polio All Grades	% Measles All Grades	% Mumps All Grades	% Rubella All Grades	% Hepatitis B All Grades	% Varicella All Grades	% DTP All Grades	% Pneumococcal All Grades	% Meningococcal All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Robertson Charter School	Public, Charter	PK, KG-8	2240 E Geddes Ave	Decatur	62526	Macon County	Decatur School District 61	Yes	(n/a)	No	Yes	(217) 428-7072	327	11	29.7	63.9%	4 (1.2%)	292 (89.3%)	3 (0.9%)	0 (0.0%)	2 (0.6%)	0 (0.0%)	26 (8.0%)	12.4	1862^nd of 2056 public elementary schools	9.4%		20.9	1657^th of 2067 public elementary schools	19.8%	205	7.1	21.6	24.0	21.4	35.7	27.6	30.8	42.1	31.0	8.0	3.6	10.7	3.4	2.6	7.9	5.9										$20,000	$1,381	$18,619
Hope Academy	Public	K-8	955 N Illinois St	Decatur	62521	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3280	501	36	13.9	93.8%	98 (19.6%)	320 (63.9%)	17 (3.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	66 (13.2%)	4.3	2056^th of 2056 public elementary schools	0.0%		7.9	2067^th of 2067 public elementary schools	0.0%	11	2.0	12.2	0.0	9.8	2.0	3.9	0.0	4.8	3.1	3.6	4.9	0.0	0.0	0.0	2.4	1.7	97.7	98.1	98.1	98.1	99.8	97.9	98.1		23.7	$18,499	$2,201	$16,298
Johns Hill Magnet School	Public	K-8	1025 E Johns Ave	Decatur	62521	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3350	627	41	15.2	79.7%	97 (15.5%)	248 (39.6%)	190 (30.3%)	22 (3.5%)	2 (0.3%)	0 (0.0%)	68 (10.8%)	13.3	1838^th of 2056 public elementary schools	10.6%		15.6	1825^th of 2067 public elementary schools	11.7%	13	18.8	22.4	20.3	19.0	17.2	23.5	24.2	17.9	20.4	15.6	17.5	7.8	13.2	19.4	3.0	12.6	95.5	95.3	95.3	95.3	96.7	95.5	95.6		31.4	$18,151	$2,446	$15,705
Michael E Baum Elementary School	Public	K-6	801 S Lake Ridge Ave	Decatur	62521	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3521	313	17	18.4	86.6%	100 (31.9%)	129 (41.2%)	13 (4.2%)	1 (0.3%)	2 (0.6%)	0 (0.0%)	68 (21.7%)	14.7	1792^nd of 2056 public elementary schools	12.8%		13.7	1903^rd of 2067 public elementary schools	7.9%	111	16.2		17.0	25.6	21.6	32.4			23.6	13.3	25.6	5.7	8.8			13.7	96.9	97.2	97.2	97.2	98.8	97.2	96.9		10.2	$17,892	$2,273	$15,619
Muffley Elementary School	Public	K-6	88 S Country Club Rd	Decatur	62521	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3341	386	22	17.5	84.5%	130 (33.7%)	188 (48.7%)	17 (4.4%)	1 (0.3%)	0 (0.0%)	1 (0.3%)	49 (12.7%)	8.9	1974^th of 2056 public elementary schools	4.0%		11.9	1978^th of 2067 public elementary schools	4.3%	4	15.5		15.3	14.0	10.3	23.5			15.6	13.6	6.0	1.7	6.0			6.9	99.2	99.2	99.2	99.2	100.0	99.2	98.7		8.1	$17,847	$2,601	$15,246
Montessori Academy for Peace	Public	PK, KG-8	4735 E Cantrell St	Decatur	62521	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3390	586	40	14.6	52.9%	271 (46.2%)	186 (31.7%)	8 (1.4%)	4 (0.7%)	1 (0.2%)	0 (0.0%)	116 (19.8%)	26.6	1521^st of 2056 public elementary schools	26.0%		25.1	1541^st of 2067 public elementary schools	25.4%	20	38.1	38.8	15.4	35.2	44.4	45.7	34.6	38.8	35.8	17.3	14.8	19.0	13.0	13.5	8.2	14.6	97.5	97.5	97.5	97.5	98.1	97.4	97.7	13.4	25.3	$18,865	$2,231	$16,634
Parsons Elementary School	Public	K-6	3591 N MacArthur Rd	Decatur	62526	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3330	505	32	15.7	89.5%	134 (26.5%)	248 (49.1%)	29 (5.7%)	1 (0.2%)	6 (1.2%)	0 (0.0%)	87 (17.2%)	7.9	2001^st of 2056 public elementary schools	2.7%		10.1	2032^nd of 2067 public elementary schools	1.7%	31	12.7		13.9	16.7	19.0	5.1			14.0	12.5	6.4	6.6	0.0			6.7	95.7	95.7	95.7	95.7	84.2	95.7	95.7		10.2	$16,395	$2,306	$14,088
Franklin Grove Elementary School	Public	K-6	2440 N Summit Ave	Decatur	62526	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3561	461	25	18.5	89.8%	106 (23.0%)	243 (52.7%)	15 (3.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	97 (21.0%)	5.5	2043^rd of 2056 public elementary schools	0.6%		9.7	2045^th of 2067 public elementary schools	1.1%	2	4.8		6.1	12.7	6.6	9.4			8.6	3.0	4.8	3.3	1.9			3.3	98.1	98.1	98.1	98.1	98.7	98.1	98.1		9.3	$16,270	$2,258	$14,011
Dennis Lab School	Public	K-8	300 Meadow Terrace Pl	Decatur	62521	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3511	579	35	16.5	84.6%	164 (28.3%)	289 (49.9%)	43 (7.4%)	2 (0.3%)	0 (0.0%)	0 (0.0%)	81 (14.0%)	7.7	2008^th of 2056 public elementary schools	2.3%		11.8	1980^th of 2067 public elementary schools	4.2%	28	17.9	17.4	16.0	7.4	14.5	6.1	17.2	4.3	10.6	7.8	1.9	5.4	4.6	9.4	2.9	5.3	91.9	94.2	94.2	94.2	98.9	94.0	94.0		27.6	$16,353	$1,930	$14,423
South Shores Elementary School	Public	K-6	2500 S Franklin Street Rd	Decatur	62521	Macon County	Decatur School District 61	No	(n/a)	No	Yes	(217) 362-3321	335	18	18.4	87.2%	88 (26.3%)	171 (51.0%)	12 (3.6%)	0 (0.0%)	3 (0.9%)	0 (0.0%)	61 (18.2%)	6.2	2034^th of 2056 public elementary schools	1.1%		9.7	2044^th of 2067 public elementary schools	1.1%	10	7.1		12.5	13.2	2.4	17.0			11.4	8.3	5.3	2.4	0.0			4.0	95.6	95.9	95.9	95.9	97.8	95.9	95.9		10.4	$17,564	$2,789	$14,774

Frequently Asked Questions about Robertson Charter School

Is Robertson Charter School a good school?

Robertson Charter School ranks in the bottom 9.4% of Illinois elementary schools.

What district is Robertson Charter School in?

Decatur School District 61

How many students attend Robertson Charter School?

In the 2024-25 school year, 327 students attended Robertson Charter School.

What is the racial makeup of Robertson Charter School?

Students at Robertson Charter School are 89% African American, 8% Two or more races, 1% White.

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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.