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Killingly Intermediate School

Q: Is Killingly Intermediate School a good school?

Killingly Intermediate School ranks 154 th of 252 Connecticut middle schools. SchoolDigger rates this school 2 stars out of 5.

Public Grades 5-8

154^th

SchoolDigger Rank ?

of 252 Connecticut Middle Schools

Better than 39% of Connecticut middle schools

Summary

Killingly Intermediate School is a public middle school located in Dayville, Connecticut, serving grades 5-8 with a total enrollment of 698 students. The school is part of the Killingly School District, which is ranked 114 out of 156 districts in the state and has a 1-star rating from SchoolDigger.

Academically, Killingly Intermediate School's performance, as measured by SBAC/NGSS test scores, is generally below the state average across all grades and subjects. For example, in 2024-2025, the school's proficiency rates in English Language Arts ranged from 40.3% to 53.4%, compared to the state average of 50% to 52.5%. In Mathematics, the school's proficiency rates ranged from 13.5% to 33.1%, significantly lower than the state average of 40.8% to 44.9%. The school's performance has been relatively stagnant over the past few years, with its statewide ranking fluctuating between 122 and 154 out of 250-252 Connecticut middle schools. Additionally, Killingly Intermediate School has consistently high chronic absenteeism rates, ranging from 17.7% to 28.6% over the past few years, which is significantly higher than the state average.

Compared to nearby middle schools, such as Mansfield Middle School, Woodstock Middle School, and Dr. Helen Baldwin Middle School, Killingly Intermediate School's academic performance is generally lower, with higher proficiency rates and better statewide rankings. However, the school's performance is relatively better than some other nearby schools, such as Windham Middle School, Putnam Middle School, and Thompson Middle School, which have even lower proficiency rates and statewide rankings.

692

Students ?

12.3

Student/teacher ratio ?

$17,715

Per pupil spending ?

52.3%

Free/discounted lunch ?

1599 Upper Maple St.
Dayville, CT 06241

(860) 779-6700

District: Killingly School District

Students who attend Killingly Intermediate School usually attend:

High:

Killingly High School

Feeder schools for Killingly Intermediate School:

Elementary:	Killingly Central School
	Killingly Memorial School

Racial breakdown:

White:

73.4%

Hispanic:

13.0%

Two or more races:

9.0%

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Compare Killingly Intermediate School to nearby middle schools!

At a glance

▼ Ranking trend: Declining — 55th percentile in 2015 → 39th in 2025

Worth a look

!Test scores below the Connecticut average (34% vs 48% meeting standards)

!Ranking has slipped — down 16 percentile points since 2015

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school34%

District avg34%

Connecticut avg48%

154^th of 252

Connecticut public middle schools ?

Bottom 39%▼ down 16 pts since 2015

From top 45% (2015) to bottom 39% (2025)

See the entire ranking list of Connecticut Middle Schools →

★★★★★

SchoolDigger rating ?

114^th of 156Killingly School District among Connecticut districts

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

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	31.1	154 of 252	38.9%	★★☆☆☆
2024	32.0	153 of 250	38.8%	★★☆☆☆
2023	37.3	141 of 249	43.4%	★★☆☆☆
2022	45.4	122 of 250	51.2%	★★★☆☆
2021	41.2	146 of 275	46.9%	★★☆☆☆
2019	55.1	119 of 259	54.1%	★★★☆☆
2018	50.3	128 of 249	48.6%	★★☆☆☆
2017	39.5	143 of 250	42.8%	★★☆☆☆
2016	53.6	114 of 246	53.7%	★★★☆☆
2015	56.2	127 of 280	54.6%	★★★☆☆
2013	50.3	170 of 278	38.8%	★★☆☆☆
2012	48.0	177 of 272	34.9%	★★☆☆☆
2011	57.1	153 of 269	43.1%	★★☆☆☆
2010	66.2	120 of 268	55.2%	★★★☆☆
2009	62.3	128 of 255	49.8%	★★★☆☆
2008	59.2	132 of 252	47.6%	★★☆☆☆
2007	56.9	134 of 250	46.4%	★★☆☆☆
2006	57.4	135 of 248	45.6%	★★☆☆☆

Disabled

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	44.3	51 of 104	51.0%	★★★☆☆

Female

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	26.3	116 of 164	29.3%	★★☆☆☆
2024	36.2	105 of 161	34.8%	★★☆☆☆
2023	24.8	116 of 160	27.5%	★☆☆☆☆
2022	37.5	107 of 166	35.5%	★★☆☆☆
2021	36.7	142 of 235	39.6%	★★☆☆☆
2019	44.9	105 of 169	37.9%	★★☆☆☆
2018	42.4	105 of 160	34.4%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	31.2	81 of 117	30.8%	★★☆☆☆
2024	32.9	81 of 114	28.9%	★★☆☆☆
2023	35.6	73 of 109	33.0%	★★☆☆☆
2022	43.4	68 of 106	35.8%	★★☆☆☆
2021	47.3	110 of 218	49.5%	★★★☆☆
2019	64.4	36 of 104	65.4%	★★★☆☆

Male

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	22.3	120 of 162	25.9%	★☆☆☆☆
2024	18.2	125 of 157	20.4%	★☆☆☆☆
2023	24.8	114 of 158	27.8%	★☆☆☆☆
2022	37.5	105 of 169	37.9%	★★☆☆☆
2021	37.4	135 of 224	39.7%	★★☆☆☆
2019	56.1	88 of 167	47.3%	★★☆☆☆
2018	43.3	100 of 164	39.0%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	45.7	128 of 244	47.5%	★★☆☆☆

White

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	7.7	143 of 153	6.5%	☆☆☆☆☆
2024	12.6	138 of 154	10.4%	★☆☆☆☆
2023	14.7	140 of 158	11.4%	★☆☆☆☆
2022	21.2	121 of 151	19.9%	★☆☆☆☆
2021	13.9	155 of 175	11.4%	★☆☆☆☆
2019	27.6	131 of 166	21.1%	★☆☆☆☆
2018	25.3	132 of 168	21.4%	★☆☆☆☆

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)

Disabled (2021)51st percentile+4 vs school

Special Education (2021)48th percentile~ school

Low Socio Economic Status (2025)31st percentile-8 vs school

Female (2025)29th percentile-10 vs school

Male (2025)26th percentile-13 vs school

White (2025)7th percentile-32 vs school

By subject vs Connecticut (2024-2025) ?

English Language Arts45%-6 vs state

Science38%-13 vs state

Mathematics21%-22 vs state

★

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Schools Near Killingly Intermediate School

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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 Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				NGSS Science (2025)		SBAC English Language Arts (2025)				SBAC Mathematics (2025)				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	NGSS Science 5th Grade	NGSS Science 8th Grade	SBAC English Language Arts 5th Grade	SBAC English Language Arts 6th Grade	SBAC English Language Arts 7th Grade	SBAC English Language Arts 8th Grade	SBAC Mathematics 5th Grade	SBAC Mathematics 6th Grade	SBAC Mathematics 7th Grade	SBAC Mathematics 8th Grade	Total
Killingly Intermediate School	Public	5-8	1599 Upper Maple St.	Dayville	06241	Northeastern Connecticut Planning Region	Killingly School District	No	No	No	Yes	(860) 779-6700	692	56	12.3	52.3%	508 (73.4%)	16 (2.3%)	90 (13.0%)	12 (1.7%)	3 (0.4%)	1 (0.1%)	62 (9.0%)	31.1	154^th of 252 public middle schools	38.9%		32	153^rd of 250 public middle schools	38.8%	1	39.1	37.6	43.6	40.3	53.4	42.7	21.3	14.9	33.1	13.5	$17,715
Brooklyn Middle School	Public	5-8	119 Gorman Rd.	Brooklyn	06234	Northeastern Connecticut Planning Region	Brooklyn School District	No	No	No	Yes	(860) 774-9153	373	35	10.8	36.7%	287 (76.9%)	8 (2.1%)	49 (13.1%)	10 (2.7%)	1 (0.3%)	0 (0.0%)	18 (4.8%)	57.3	107^th of 252 public middle schools	57.5%		57.8	102^nd of 250 public middle schools	59.2%	5			48.5	49.5	60.7	45.1	41.6	50.5	55.7	39.5	$19,499
Putnam Middle School	Public	5-8	35 Wicker St.	Putnam	06260	Northeastern Connecticut Planning Region	Putnam School District	No	No	No	No	(860) 963-6920	353	31	11.5	54.1%	253 (71.7%)	10 (2.8%)	56 (15.9%)	5 (1.4%)	0 (0.0%)	1 (0.3%)	28 (7.9%)	25.2	170^th of 252 public middle schools	32.5%		26.8	163^rd of 250 public middle schools	34.8%	7			44.8	45.0	30.6	35.1	20.9	27.7	23.8	22.2	$17,967
Woodstock Middle School	Public	5-8	147 B-Route 169	Woodstock	06281	Northeastern Connecticut Planning Region	Woodstock School District	No	No	No	No	(860) 963-6575	360	30	12.0	26.7%	312 (86.7%)	1 (0.3%)	19 (5.3%)	2 (0.6%)	0 (0.0%)	0 (0.0%)	25 (6.9%)	54.1	113^th of 252 public middle schools	55.2%		54.3	113^th of 250 public middle schools	54.8%				66.7	53.2	59.1	44.6	31.3	41.8	43.0	47.3	$20,706
Thompson Middle School	Public	5-8	785 Riverside Dr.	North Grosvenordale	06255	Northeastern Connecticut Planning Region	Thompson School District	No	No	No	No	(860) 923-9380	262	26	10.0	46.2%	221 (84.4%)	2 (0.8%)	26 (9.9%)	4 (1.5%)	0 (0.0%)	0 (0.0%)	9 (3.4%)	42.8	138^th of 252 public middle schools	45.2%		39	143^rd of 250 public middle schools	42.8%	5			51.6	50.7	43.1	53.6		33.8	34.7		$24,453
Dr. Helen Baldwin Middle School	Public	5-8	45 Westminster Rd.	Canterbury	06331	Northeastern Connecticut Planning Region	Canterbury School District	No	No	No	Yes	(860) 546-9421	213	17	12.5	33.8%	183 (85.9%)	2 (0.9%)	27 (12.7%)	1 (0.5%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	66.7	87^th of 252 public middle schools	65.5%		65.6	88^th of 250 public middle schools	64.8%	1								56.4	52.9	48.3	$21,219
Plainfield Central School	Public	6-8	75 Canterbury Rd.	Plainfield	06374	Northeastern Connecticut Planning Region	Plainfield School District	No	No	No	Yes	(860) 564-6437	422	42	10.0	55.9%	367 (87.0%)	20 (4.7%)	12 (2.8%)	6 (1.4%)	3 (0.7%)	4 (0.9%)	10 (2.4%)	38.6	143^rd of 252 public middle schools	43.3%		32.5	152^nd of 250 public middle schools	39.2%	9		50.8		50.8	41.3	40.2		45.3	23.2	23.6	$20,793
Mansfield Middle School	Public	5-8	205 Spring Hill Rd.	Storrs	06268	Capitol Planning Region	Mansfield School District	No	No	No	No	(860) 429-9341	414	46	9.0	31.6%	250 (60.4%)	19 (4.6%)	89 (21.5%)	38 (9.2%)	1 (0.2%)	0 (0.0%)	16 (3.9%)	81.8	45^th of 252 public middle schools	82.1%		81.8	39^th of 250 public middle schools	84.4%	6	68.8	75.0	66.7	65.2	69.7	69.2	58.3	60.9	58.6	62.9	$30,893
Griswold Middle School	Public	5-8	211 Slater Ave.	Griswold	06351	Southeastern Connecticut Planning Region	Griswold School District	No	No	No	Yes	(860) 376-7630	529	38	14.0	54.3%	390 (73.7%)	17 (3.2%)	68 (12.9%)	11 (2.1%)	3 (0.6%)	1 (0.2%)	39 (7.4%)	37.9	147^th of 252 public middle schools	41.7%		47.4	123^rd of 250 public middle schools	50.8%	24	43.5		44.4	46.4		66.0		38.4	30.5	43.7	$16,816
Windham Middle School	Public	6-8	123 Quarry St.	Willimantic	06226	Southeastern Connecticut Planning Region	Windham School District	No	No	No	Yes	(860) 465-2351	583	56	10.4	76.3%	97 (16.6%)	17 (2.9%)	452 (77.5%)	5 (0.9%)	2 (0.3%)	0 (0.0%)	10 (1.7%)	19.4	188^th of 252 public middle schools	25.4%		16.2	196^th of 250 public middle schools	21.6%	8		41.4		27.7	26.9	30.4		20.7	22.1	15.7	$23,976

Frequently Asked Questions about Killingly Intermediate School

Is Killingly Intermediate School a good school?

Killingly Intermediate School ranks 154^th of 252 Connecticut middle schools. SchoolDigger rates this school 2 stars out of 5.

What is the racial makeup of Killingly Intermediate School?

Students at Killingly Intermediate School are 73% White, 13% Hispanic, 9% Two or more races, 2% African American, 2% Asian.

What high school do graduates of Killingly Intermediate School attend?

Students who attend Killingly Intermediate School usually go on to attend Killingly High School

How many students attend Killingly Intermediate School?

In the 2024-25 school year, 692 students attended Killingly Intermediate School.

What district is Killingly Intermediate School in?

Killingly School District

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Latest Connecticut data All new data »

2024–25 school spending dataApr 2, 2026

2024–25 attendance dataNov 6, 2025

2023–24 school spending dataSep 25, 2025

2023–24 graduation ratesSep 23, 2025

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Connecticut Department 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.