Beta You're viewing our redesigned school page. Prefer the classic layout?

Kelvin Grove Junior High School

Public Grades 4-8
216th
SchoolDigger Rank ?
of 1,368 Illinois Middle Schools
Better than 84% of Illinois middle schools
Summary

Kelvin Grove Junior High School is a public middle school located in Lockport, Illinois, serving grades 4-8 with a total enrollment of 271 students. The school is part of the Lockport School District 91, which is ranked 100 out of 811 districts in Illinois and has a 4-star rating from SchoolDigger.

Kelvin Grove Junior High School consistently outperforms the state average in both English Language Arts (ELA) and Mathematics proficiency across all grade levels. For example, in the 2024-2025 school year, the school's ELA proficiency rate was 76.7% compared to the state average of 53.1%, and its Mathematics proficiency rate was 55.6% compared to the state average of 38.5%. The school also performs particularly well for certain student subgroups, ranking in the top 25% of Illinois middle schools for female students, male students, white students, and students with low socioeconomic status in both ELA and Mathematics.

Kelvin Grove Junior High School's performance is generally stronger than the nearby schools, such as A Vito Martinez Middle School and Washington Junior High & Academy Prgm. The school has also demonstrated a consistent pattern of improvement in its statewide ranking over the past several years, moving from the 473rd position in 2013-2014 to the 216th position in 2024-2025, suggesting a commitment to providing a quality education for its students.

260
Students ?
8.6
Student/teacher ratio ?
$19,511
Per pupil spending ?
36.5%
Free/discounted lunch ?
 808 Adams St
       Lockport, IL  60441

(815) 838-0737

District: Lockport School District 91


Students who attend Kelvin Grove Junior High School usually attend:

High:    Lockport Township High School East

Feeder schools for Kelvin Grove Junior High School:

Elementary:    Milne Grove Elementary School
Racial breakdown:

White:
76.9%
Hispanic:
16.2%
Two or more races:
3.5%
more
 See top rated Illinois middle schools

 Compare Kelvin Grove Junior High School to nearby middle schools!
At a glance
Ranking trend: Improving — 64th percentile in 2014 → 84th in 2025
Strengths
Test scores above the Illinois average (61% vs 44% meeting standards)
Ranks in the top 16% of Illinois middle schools
Ranking is trending up — up 20 percentile points since 2014
Worth a look
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2024-2025) ?
This school61%
District avg61%
Illinois avg44%
Elementary school
210th of 2,056
Illinois public elementary schools ?
Top 10%▲ up 17 pts since 2016
From top 27% (2016) to top 10% (2025)
See the entire ranking list of Illinois Elementary Schools →
SchoolDigger rating ?
Middle school
216th of 1,368
Illinois public middle schools ?
Top 16%▲ up 16 pts since 2016
From top 32% (2016) to top 16% (2025)
See the entire ranking list of Illinois Middle Schools →
SchoolDigger rating ?
100th of 811Lockport School District 91 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
202588.6210 of 205689.8%★★★★☆
202486.5246 of 206788.1%★★★★☆
202377.1424 of 207779.6%★★★★☆
202272.1539 of 208274.1%★★★★☆
202148.5889 of 194854.4%★★★☆☆
201964.0698 of 208666.5%★★★☆☆
201863.4691 of 203766.1%★★★☆☆
201756.9806 of 204460.6%★★★☆☆
201669.7562 of 204672.5%★★★★☆
201458.8903 of 209356.9%★★★☆☆
201358.3982 of 216754.7%★★★☆☆
201277.8448 of 216679.3%★★★★☆
201174.5563 of 214773.8%★★★★☆
201078.1424 of 213980.2%★★★★☆
200974.7572 of 212073.0%★★★★☆
200873.2608 of 209270.9%★★★★☆
200772.0627 of 209570.1%★★★★☆
200673.7561 of 208673.1%★★★★☆
200568.5735 of 202263.6%★★★☆☆
200474.5544 of 203073.2%★★★★☆
200371.3669 of 202066.9%★★★☆☆

Disabled

YearAvg scoreStatewide rankIllinois percentileRating
202597.718 of 104998.3%★★★★★
202358.4271 of 90770.1%★★★★☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
202585.6242 of 194287.5%★★★★☆
202484.5250 of 194287.1%★★★★☆
202375.6410 of 195779.0%★★★★☆
202270.4516 of 197073.8%★★★★☆
202141.2903 of 168046.3%★★☆☆☆
201968.6564 of 201972.1%★★★★☆
201870.8520 of 196473.5%★★★★☆

Hispanic

YearAvg scoreStatewide rankIllinois percentileRating
202594.132 of 98296.7%★★★★★
202488.355 of 95994.3%★★★★★
202371.2176 of 97081.9%★★★★☆
202235.4594 of 95437.7%★★☆☆☆
202155.9229 of 74269.1%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
202597.021 of 180098.8%★★★★★
202484.4131 of 179392.7%★★★★★
202370.6332 of 180881.6%★★★★☆
202275.7229 of 176387.0%★★★★☆
202158.9435 of 151471.3%★★★★☆
201960.3556 of 181669.4%★★★☆☆
201858.8586 of 176566.8%★★★☆☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
202588.0192 of 194790.1%★★★★★
202485.3247 of 195987.4%★★★★☆
202373.7444 of 198477.6%★★★★☆
202268.8537 of 197772.8%★★★★☆
202148.1773 of 170754.7%★★★☆☆
201958.0766 of 201962.1%★★★☆☆
201857.3759 of 197261.5%★★★☆☆

Special Education

YearAvg scoreStatewide rankIllinois percentileRating
202592.670 of 129294.6%★★★★★
202481.4146 of 119587.8%★★★★☆
202366.1282 of 115675.6%★★★★☆
202263.1254 of 111377.2%★★★★☆
202148.3277 of 64056.7%★★★☆☆
201948.7484 of 119459.5%★★★☆☆
201859.9192 of 76374.8%★★★★☆

White

YearAvg scoreStatewide rankIllinois percentileRating
202577.1270 of 138980.6%★★★★☆
202477.0248 of 139282.2%★★★★☆
202368.0373 of 141973.7%★★★★☆
202261.6493 of 142565.4%★★★☆☆
202134.9890 of 130832.0%★★☆☆☆
201945.7815 of 146244.3%★★☆☆☆
201847.0771 of 146347.3%★★☆☆☆
Middle school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIllinois percentileRating
202582.3216 of 136884.2%★★★★☆
202470.5337 of 136375.3%★★★★☆
202361.4427 of 136768.8%★★★☆☆
202272.6306 of 136977.6%★★★★☆
202159.5391 of 124168.5%★★★☆☆
201971.5329 of 135675.7%★★★★☆
201871.6307 of 129376.3%★★★★☆
201761.4433 of 129366.5%★★★☆☆
201662.0411 of 129468.2%★★★☆☆
201463.4473 of 132264.2%★★★☆☆
201365.5447 of 136767.3%★★★☆☆
201266.6486 of 136564.4%★★★☆☆
201173.4340 of 134474.7%★★★★☆
201078.8224 of 132783.1%★★★★☆
200976.3282 of 131878.6%★★★★☆
200877.1260 of 129379.9%★★★★☆
200773.0332 of 128774.2%★★★★☆
200675.2300 of 127276.4%★★★★☆
200576.7277 of 120977.1%★★★★☆
200476.7284 of 120476.4%★★★★☆
200370.0382 of 118567.8%★★★☆☆

Disabled

YearAvg scoreStatewide rankIllinois percentileRating
202336.2398 of 67440.9%★★☆☆☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
202580.9194 of 124884.5%★★★★☆
202469.6319 of 125174.5%★★★★☆
202360.1423 of 127566.8%★★★☆☆
202272.8283 of 128678.0%★★★★☆
202159.1348 of 101765.8%★★★☆☆
201975.6268 of 127679.0%★★★★☆
201875.1251 of 122679.5%★★★★☆

Hispanic

YearAvg scoreStatewide rankIllinois percentileRating
202345.1314 of 66152.5%★★★☆☆
202266.1151 of 66277.2%★★★★☆
202159.3146 of 51771.8%★★★★☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
202586.293 of 122992.4%★★★★★
202459.3384 of 121968.5%★★★☆☆
202352.0503 of 123459.2%★★★☆☆
202263.8311 of 122174.5%★★★★☆
202153.6365 of 101964.2%★★★☆☆
201974.6194 of 121784.1%★★★★☆
201877.5157 of 116186.5%★★★★☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
202580.4204 of 127183.9%★★★★☆
202468.6320 of 126474.7%★★★★☆
202358.8425 of 129267.1%★★★☆☆
202268.2314 of 128675.6%★★★★☆
202155.7361 of 104865.6%★★★☆☆
201968.0338 of 129673.9%★★★★☆
201864.8352 of 122371.2%★★★★☆

Special Education

YearAvg scoreStatewide rankIllinois percentileRating
202577.9130 of 81284.0%★★★★☆
202445.6335 of 80258.2%★★★☆☆
202341.1387 of 80551.9%★★★☆☆
202246.8289 of 78163.0%★★★☆☆
202152.1164 of 54870.1%★★★★☆
201840.3295 of 60251.0%★★★☆☆

White

YearAvg scoreStatewide rankIllinois percentileRating
202573.6199 of 88477.5%★★★★☆
202459.8315 of 87564.0%★★★☆☆
202348.0432 of 89551.7%★★★☆☆
202259.8323 of 89864.0%★★★☆☆
202145.8403 of 81350.4%★★★☆☆
201954.8387 of 90557.2%★★★☆☆
201860.7310 of 88965.1%★★★☆☆
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
Low Socio Economic Status (2025)99th percentile+9 vs school
Disabled (2025)98th percentile+8 vs school
Hispanic (2025)97th percentile+7 vs school
Special Education (2025)95th percentile+5 vs school
Male (2025)90th percentile~ school
Female (2025)88th percentile~ school
White (2025)81st percentile-9 vs school
Middle school
Low Socio Economic Status (2025)92nd percentile+8 vs school
Female (2025)84th percentile~ school
Special Education (2025)84th percentile~ school
Male (2025)84th percentile~ school
White (2025)77th percentile-7 vs school
Hispanic (2023)52nd percentile-16 vs school
Disabled (2023)41st percentile-28 vs school
By subject vs Illinois (2024-2025) ?
English Language Arts77%+24 vs state
Mathematics56%+17 vs state
Science55%+12 vs state

No ratings yet
Be the first to rate Kelvin Grove Junior High School and help other families decide.
Rate Kelvin Grove Junior High School
Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.
Takes about a minute. We email you a link to verify your review - your address is never shown publicly.
Tap a star to rate
Reviews
No written reviews yet. If you know this school, be the first to share what stands out.



Schools Near Kelvin Grove Junior High School

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private








Sign up for updates!

Be the first to know when there is an update for Kelvin Grove Junior High School!


Latest Illinois data All new data »
2024–25 school spending dataOct 30, 2025
2024–25 attendance data, dropout rates & graduation ratesOct 30, 2025
2024–25 ACT, IAR, ISA & PreACT Secure test scoresOct 30, 2025
2023–24 school spending dataOct 30, 2024


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.





Diagnostics