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Dennis Lab School

Public Grades K-8
2008th
SchoolDigger Rank ?
of 2,056 Illinois Elementary Schools
Better than 2% of Illinois elementary schools
Summary

Dennis Lab School is a K-8 elementary school located in Decatur, Illinois, which is part of the Decatur School District 61. Despite its higher per-student spending and lower student-teacher ratios, Dennis Lab School has consistently underperformed compared to the district and state averages in academic proficiency, particularly in English Language Arts and Mathematics.

In the 2024-2025 school year, only 10.6% of students at Dennis Lab School were proficient or better in ELA, compared to 16.6% for the district and 53.1% for the state. The school's performance in Mathematics was even lower, with only 5.3% of students proficient or better, compared to 7.2% for the district and 38.5% for the state. Additionally, Dennis Lab School has extremely high chronic absenteeism rates, ranging from 45.3% to 48.6% in recent years, significantly higher than the district and state averages. The school also serves a high-poverty student population, with 72.66% to 79.13% of students eligible for free or reduced-price lunch in recent years.

Interestingly, while the nearby American Dreamer STEM Academy, Muffley Elementary School, and Hope Academy also perform poorly and face similar challenges, some other Montessori Academy for Peace and Johns Hill Magnet School within the same district perform significantly better, suggesting that the district-wide challenges may not be insurmountable.

579
Students ?
16.5
Student/teacher ratio ?
$16,353
Per pupil spending ?
84.6%
Free/discounted lunch ?
 300 Meadow Terrace Pl
       Decatur, IL  62521-5252

(217) 362-3511

District: Decatur School District 61


Students who attend Dennis Lab School usually attend:

High:    Eisenhower High School
    MacArthur High School
Racial breakdown:

African American:
49.9%
White:
28.3%
Two or more races:
14.0%
more
 See top rated Illinois elementary schools

 Compare Dennis Lab School to nearby elementary schools!
At a glance
Ranking trend: Declining — 20th percentile in 2015 → 2nd in 2025
Worth a look
!Test scores below the Illinois average (13% vs 44% meeting standards)
!In the lower quartile statewide (2nd percentile)
!High chronic absenteeism (49% vs 25% Illinois)
Students meeting standards (2024-2025) ?
This school13%
District avg15%
Illinois avg44%
Elementary school
2,008th of 2,056
Illinois public elementary schools ?
Bottom 2%▼ down 18 pts since 2015
From bottom 20% (2015) to bottom 2% (2025)
See the entire ranking list of Illinois Elementary Schools →
SchoolDigger rating ?
Middle school
1,333rd of 1,368
Illinois public middle schools ?
Bottom 3%▼ down 49 pts since 2015
From top 48% (2015) to bottom 3% (2025)
See the entire ranking list of Illinois Middle Schools →
SchoolDigger rating ?
8th of 11Elementary Schools in the Decatur School District 61
806th 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

YearAvg scoreStatewide rankIllinois percentileRating
20257.72008 of 20562.3%☆☆☆☆☆
202411.81980 of 20674.2%☆☆☆☆☆
202310.62019 of 20772.8%☆☆☆☆☆
202212.41976 of 20825.1%☆☆☆☆☆
202113.91816 of 19486.8%☆☆☆☆☆
201924.11606 of 208623.0%★☆☆☆☆
201823.41571 of 203722.9%★☆☆☆☆
201725.21544 of 204424.5%★☆☆☆☆
201633.31339 of 204634.6%★★☆☆☆
201522.51642 of 205220.0%★☆☆☆☆
201435.01424 of 209332.0%★★☆☆☆
201328.31622 of 216725.1%★☆☆☆☆
201212.41994 of 21667.9%☆☆☆☆☆
201127.01719 of 214719.9%★☆☆☆☆
201015.51889 of 213911.7%★☆☆☆☆
200922.21764 of 212016.8%★☆☆☆☆
200828.31639 of 209221.7%★☆☆☆☆
200720.31803 of 209513.9%★☆☆☆☆
200613.41874 of 208610.2%★☆☆☆☆
200528.01625 of 202219.6%★☆☆☆☆
200432.91534 of 203024.4%★☆☆☆☆
200320.41665 of 202017.6%★☆☆☆☆

African American

YearAvg scoreStatewide rankIllinois percentileRating
202512.8682 of 6880.9%☆☆☆☆☆
202419.1633 of 6553.4%☆☆☆☆☆
202319.7672 of 6922.9%☆☆☆☆☆
202221.5671 of 6841.9%☆☆☆☆☆
202126.3385 of 42810.0%★☆☆☆☆
201918.6680 of 7114.4%☆☆☆☆☆
201823.7616 of 69811.7%★☆☆☆☆

Disabled

YearAvg scoreStatewide rankIllinois percentileRating
202519.1963 of 10498.2%☆☆☆☆☆
202318.9894 of 9071.4%☆☆☆☆☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
20258.31888 of 19422.8%☆☆☆☆☆
20249.51923 of 19421.0%☆☆☆☆☆
202310.11923 of 19571.7%☆☆☆☆☆
202211.91900 of 19703.6%☆☆☆☆☆
202111.41631 of 16802.9%☆☆☆☆☆
201922.11634 of 201919.1%★☆☆☆☆
201822.11559 of 196420.6%★☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
20258.21780 of 18001.1%☆☆☆☆☆
202412.51772 of 17931.2%☆☆☆☆☆
202314.01768 of 18082.2%☆☆☆☆☆
202214.81724 of 17632.2%☆☆☆☆☆
202115.91488 of 15141.7%☆☆☆☆☆
201920.61630 of 181610.2%★☆☆☆☆
201817.91632 of 17657.5%☆☆☆☆☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
20258.11897 of 19472.6%☆☆☆☆☆
202414.71769 of 19599.7%☆☆☆☆☆
202312.21889 of 19844.8%☆☆☆☆☆
202214.81814 of 19778.2%☆☆☆☆☆
202114.81572 of 17077.9%☆☆☆☆☆
201928.81439 of 201928.7%★☆☆☆☆
201826.21467 of 197225.6%★☆☆☆☆

Special Education

YearAvg scoreStatewide rankIllinois percentileRating
202519.61106 of 129214.4%★☆☆☆☆
202415.81159 of 11953.0%☆☆☆☆☆
202318.31094 of 11565.4%☆☆☆☆☆
202223.7976 of 111312.3%★☆☆☆☆
202121.3590 of 6407.8%☆☆☆☆☆
201923.31030 of 119413.7%★☆☆☆☆

White

YearAvg scoreStatewide rankIllinois percentileRating
20259.11330 of 13894.2%☆☆☆☆☆
20248.01351 of 13922.9%☆☆☆☆☆
20234.51405 of 14191.0%☆☆☆☆☆
20226.91395 of 14252.1%☆☆☆☆☆
20216.91293 of 13081.1%☆☆☆☆☆
201919.11267 of 146213.3%★☆☆☆☆
201814.11352 of 14637.6%☆☆☆☆☆
Middle school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIllinois percentileRating
20259.01333 of 13682.6%☆☆☆☆☆
202413.01265 of 13637.2%☆☆☆☆☆
202310.91323 of 13673.2%☆☆☆☆☆
202216.51195 of 136912.7%★☆☆☆☆
202118.41055 of 124115.0%★☆☆☆☆
201925.71007 of 135625.7%★☆☆☆☆
201829.3907 of 129329.9%★☆☆☆☆
201739.6750 of 129342.0%★★☆☆☆
201646.7635 of 129450.9%★★★☆☆
201545.2626 of 130251.9%★★★☆☆
201454.7612 of 132253.7%★★★☆☆

African American

YearAvg scoreStatewide rankIllinois percentileRating
202511.6570 of 5740.7%☆☆☆☆☆
202419.7512 of 5486.6%☆☆☆☆☆
202317.1563 of 5691.1%☆☆☆☆☆
202221.0558 of 5732.6%☆☆☆☆☆
202125.0346 of 38510.1%★☆☆☆☆
201935.2361 of 56536.1%★★☆☆☆
201832.1362 of 51129.2%★☆☆☆☆

Disabled

YearAvg scoreStatewide rankIllinois percentileRating
202523.2601 of 69413.4%★☆☆☆☆
202434.6394 of 63938.3%★★☆☆☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
20257.01229 of 12481.5%☆☆☆☆☆
202410.71205 of 12513.7%☆☆☆☆☆
202310.01241 of 12752.7%☆☆☆☆☆
202215.31150 of 128610.6%★☆☆☆☆
202115.4918 of 10179.7%☆☆☆☆☆
201919.21054 of 127617.4%★☆☆☆☆
201824.7937 of 122623.6%★☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
202511.61197 of 12292.6%☆☆☆☆☆
202412.41194 of 12192.1%☆☆☆☆☆
202312.71204 of 12342.4%☆☆☆☆☆
202215.91167 of 12214.4%☆☆☆☆☆
202119.1932 of 10198.5%☆☆☆☆☆
201931.5876 of 121728.0%★☆☆☆☆
201829.5861 of 116125.8%★☆☆☆☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
202511.61204 of 12715.3%☆☆☆☆☆
202418.41068 of 126415.5%★☆☆☆☆
202313.41203 of 12926.9%☆☆☆☆☆
202219.61056 of 128617.9%★☆☆☆☆
202119.5893 of 104814.8%★☆☆☆☆
201934.8809 of 129637.6%★★☆☆☆
201835.6746 of 122339.0%★★☆☆☆

Special Education

YearAvg scoreStatewide rankIllinois percentileRating
202517.7748 of 8127.9%☆☆☆☆☆
202420.5726 of 8029.5%☆☆☆☆☆
202319.0777 of 8053.5%☆☆☆☆☆
202226.9654 of 78116.3%☆☆☆☆☆

White

YearAvg scoreStatewide rankIllinois percentileRating
20257.4860 of 8842.7%☆☆☆☆☆
20249.5834 of 8754.7%☆☆☆☆☆
20239.1862 of 8953.7%☆☆☆☆☆
202211.6849 of 8985.5%☆☆☆☆☆
202110.8781 of 8133.9%☆☆☆☆☆
201912.9834 of 9057.8%☆☆☆☆☆
201821.6743 of 88916.4%★☆☆☆☆
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
Special Education (2025)14th percentile+12 vs school
Disabled (2025)8th percentile+6 vs school
White (2025)4th percentile~ school
Female (2025)3rd percentile~ school
Male (2025)3rd percentile~ school
Low Socio Economic Status (2025)1st percentile~ school
African American (2025)1st percentile~ school
Middle school
Disabled (2025)13th percentile+11 vs school
Special Education (2025)8th percentile+5 vs school
Male (2025)5th percentile+3 vs school
White (2025)3rd percentile~ school
Low Socio Economic Status (2025)3rd percentile~ school
Female (2025)2nd percentile~ school
African American (2025)1st percentile~ school
By subject vs Illinois (2024-2025) ?
Science18%-25 vs state
English Language Arts11%-42 vs state
Mathematics5%-33 vs state

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Frequently Asked Questions about Dennis Lab School

In the 2024-25 school year, 579 students attended Dennis Lab School.

Dennis Lab School ranks in the bottom 2.3% of Illinois elementary schools.

Students who attend Dennis Lab School usually go on to attend:

High : Eisenhower High School
High : MacArthur High School

Students at Dennis Lab School are 50% African American, 28% White, 14% Two or more races, 7% Hispanic.


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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.





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