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

Haddam-Killingworth Middle School

Q: Is Haddam-Killingworth Middle School a good school?

Haddam-Killingworth Middle School ranks 33 rd of 252 Connecticut middle schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades 6-8

33^rd

SchoolDigger Rank ?

of 252 Connecticut Middle Schools

Better than 87% of Connecticut middle schools

Summary

Haddam-Killingworth Middle School is a public middle school serving grades 6-8 in Killingworth, Connecticut, part of the Regional School District 17, which is ranked 30 out of 156 districts in the state and has a 4-star rating from SchoolDigger. The school has 395 students and consistently performs well academically, ranking in the top 20-25% of Connecticut middle schools over the past several years.

In the 2024-2025 school year, Haddam-Killingworth Middle School had 76.5% of 6th graders, 72.9% of 7th graders, and 69.5% of 8th graders proficient or better in English Language Arts, significantly higher than the state averages of 50-51%. In mathematics, the school had 66.2% of 6th graders, 60.5% of 7th graders, and 64.2% of 8th graders proficient or better, again outperforming the state averages of 40-43%. The school's performance across different student subgroups is also strong, ranking 37th out of 164 Connecticut middle schools for female students and 30th out of 162 for male students, both with 4-star ratings.

While the school's chronic absenteeism rate of 17.7% in 2023-2024 is still higher than the state's target of 10%, it has shown a decreasing trend from 23.7% in 2021-2022. Compared to nearby schools, Beman Middle School in Middletown had 38.1% of 6th graders proficient or better in ELA and 24.7% in mathematics, while Old Saybrook Middle School had 74.7% in ELA and 71.4% in mathematics, both lower than Haddam-Killingworth's performance.

423

Students ?

11.2

Student/teacher ratio ?

$27,462

Per pupil spending ?

15.6%

Free/discounted lunch ?

451 Route 81
Killingworth, CT 06419

(860) 663-1241

District: Regional School District 17

Students who attend Haddam-Killingworth Middle School usually attend:

High:

Haddam-Killingworth High School

Feeder schools for Haddam-Killingworth Middle School:

Elementary:	Burr District Elementary School
	Haddam-Killingworth Intermediate School
	Killingworth Elementary School

Racial breakdown:

White:

88.9%

Hispanic:

5.0%

Two or more races:

3.3%

See top rated Connecticut middle schools

Compare Haddam-Killingworth Middle School to nearby middle schools!

At a glance

▲ Ranking trend: Improving — 76th percentile in 2015 → 87th in 2025

Strengths

✓Test scores above the Connecticut average (68% vs 47% meeting standards)

✓Ranks in the top 13% of Connecticut middle schools

✓Ranking is trending up — up 11 percentile points since 2015

Worth a look

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

Students meeting standards (2024-2025) ?

This school68%

District avg68%

Connecticut avg47%

33^rd of 252

Connecticut public middle schools ?

Top 13%▲ up 10 pts since 2015

From top 24% (2015) to top 13% (2025)

See the entire ranking list of Connecticut Middle Schools →

★★★★★

SchoolDigger rating ?

30^th of 156Regional School District 17 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	84.6	33 of 252	86.9%	★★★★☆
2024	79.0	54 of 250	78.4%	★★★★☆
2023	81.4	46 of 249	81.5%	★★★★☆
2022	78.5	54 of 250	78.4%	★★★★☆
2021	83.2	49 of 275	82.2%	★★★★☆
2019	72.3	82 of 259	68.3%	★★★☆☆
2018	77.9	61 of 249	75.5%	★★★★☆
2017	79.1	55 of 250	78.0%	★★★★☆
2016	79.8	45 of 246	81.7%	★★★★☆
2015	79.1	66 of 280	76.4%	★★★★☆
2013	81.8	9 of 278	96.8%	★★★★★
2012	79.6	37 of 272	86.4%	★★★★☆
2011	81.1	26 of 269	90.3%	★★★★★
2010	80.2	37 of 268	86.2%	★★★★☆
2009	76.3	59 of 255	76.9%	★★★★☆
2008	74.8	69 of 252	72.6%	★★★★☆
2007	73.7	70 of 250	72.0%	★★★★☆
2006	69.5	85 of 248	65.7%	★★★☆☆

Disabled

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	58.7	37 of 104	64.4%	★★★☆☆

Female

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	76.8	37 of 164	77.4%	★★★★☆
2024	68.1	57 of 161	64.6%	★★★☆☆
2023	76.6	38 of 160	76.3%	★★★★☆
2022	79.5	34 of 166	79.5%	★★★★☆
2021	85.3	26 of 235	88.9%	★★★★☆
2019	71.1	55 of 169	67.5%	★★★☆☆
2018	75.2	41 of 160	74.4%	★★★★☆

Male

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	80.4	30 of 162	81.5%	★★★★☆
2024	76.8	29 of 157	81.5%	★★★★☆
2023	76.7	36 of 158	77.2%	★★★★☆
2022	77.1	38 of 169	77.5%	★★★★☆
2021	76.4	55 of 224	75.4%	★★★★☆
2019	58.8	80 of 167	52.1%	★★★☆☆
2018	65.2	65 of 164	60.4%	★★★☆☆

Special Education

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	62.5	80 of 244	67.2%	★★★☆☆

White

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	63.1	59 of 153	61.4%	★★★☆☆
2024	55.2	75 of 154	51.3%	★★★☆☆
2023	63.1	54 of 158	65.8%	★★★☆☆
2022	61.6	56 of 151	62.9%	★★★☆☆
2021	64.3	59 of 175	66.3%	★★★☆☆
2019	48.7	89 of 166	46.4%	★★☆☆☆
2018	59.0	73 of 168	56.5%	★★★☆☆

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)

Male (2025)81st percentile-5 vs school

Female (2025)77th percentile-9 vs school

Special Education (2021)67th percentile-15 vs school

Disabled (2021)64th percentile-18 vs school

White (2025)61st percentile-25 vs school

By subject vs Connecticut (2024-2025) ?

English Language Arts73%+22 vs state

Science70%+19 vs state

Mathematics64%+21 vs state

★

No ratings yet

Be the first to rate Haddam-Killingworth Middle School and help other families decide.

Rate Haddam-Killingworth Middle 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 Haddam-Killingworth Middle School

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 4th 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 4th Grade	SBAC Mathematics 5th Grade	SBAC Mathematics 6th Grade	SBAC Mathematics 7th Grade	SBAC Mathematics 8th Grade	Total
Haddam-Killingworth Middle School	Public	6-8	451 Route 81	Killingworth	06419	Lower Connecticut River Valley Planning Region	Regional School District 17	No	No	No	Yes	(860) 663-1241	423	38	11.2	15.6%	376 (88.9%)	7 (1.7%)	21 (5.0%)	5 (1.2%)	0 (0.0%)	0 (0.0%)	14 (3.3%)	84.6	33^rd of 252 public middle schools	86.9%		79	54^th of 250 public middle schools	78.4%	21		69.5			76.5	72.9	69.5			66.2	60.5	64.2	$27,462
John Winthrop Middle School	Public	7-8	1 Winthrop Road	Deep River	06417	Lower Connecticut River Valley Planning Region	Regional School District 04	No	No	No	Yes	(860) 526-9546	197	19	10.5	25.9%	171 (86.8%)	1 (0.5%)	15 (7.6%)	1 (0.5%)	1 (0.5%)	0 (0.0%)	8 (4.1%)	75.5	61^st of 252 public middle schools	75.8%		49.7	118^th of 250 public middle schools	52.8%	57		62.9				60.2	66.0				59.1	56.7	$34,408
Jared Eliot School	Public	5-8	69 Fairy Dell Rd.	Clinton	06413	Lower Connecticut River Valley Planning Region	Clinton School District	No	No	No	Yes	(860) 664-6503	418	42	9.8	47.6%	274 (65.6%)	3 (0.7%)	125 (29.9%)	9 (2.2%)	0 (0.0%)	0 (0.0%)	6 (1.4%)	63.4	92^nd of 252 public middle schools	63.5%		60.1	97^th of 250 public middle schools	61.2%	5	44.3	62.0		38.6	51.4	45.9	57.6		44.3	48.6	49.5	70.7	$27,415
Walter C. Polson Middle School	Public	6-8	302 Green Hill Rd.	Madison	06443	South Central Connecticut Planning Region	Madison School District	No	No	No	No	(203) 245-6480	541	55	9.8	6.5%	431 (79.7%)	5 (0.9%)	51 (9.4%)	24 (4.4%)	0 (0.0%)	0 (0.0%)	29 (5.4%)	95.9	3^rd of 252 public middle schools	98.8%		92.1	11^th of 250 public middle schools	95.6%	8		85.1			85.1	83.3	83.9			86.7	83.2	83.3	$25,769
Westbrook Middle School	Public	6-8	154 McVeagh Rd.	Westbrook	06498	Lower Connecticut River Valley Planning Region	Westbrook School District	No	No	No	No	(860) 399-2010	126	20	6.2	42.1%	89 (70.6%)	1 (0.8%)	31 (24.6%)	1 (0.8%)	0 (0.0%)	0 (0.0%)	4 (3.2%)	77.7	56^th of 252 public middle schools	77.8%		92.8	9^th of 250 public middle schools	96.4%	47					46.5		72.0				65.5	78.0	$42,489
A. Baldwin Middle School	Public	5-6	68 Bullard Dr.	Guilford	06437	South Central Connecticut Planning Region	Guilford School District	No	No	No	No	(203) 457-0222	463	42	11.1	14.7%	360 (77.8%)	3 (0.6%)	52 (11.2%)	24 (5.2%)	0 (0.0%)	0 (0.0%)	24 (5.2%)								(n/a)	75.9			80.0	73.3				66.4	64.8			$23,173
Frank Ward Strong School	Public	6-8	191 Main Street	Durham	06422	Lower Connecticut River Valley Planning Region	Regional School District 13	No	No	No	Yes	(860) 349-7222	319	31	10.4	17.2%	275 (86.2%)	1 (0.3%)	26 (8.2%)	3 (0.9%)	2 (0.6%)	0 (0.0%)	12 (3.8%)	73.4	70^th of 252 public middle schools	72.2%		57.7	103^rd of 250 public middle schools	58.8%	33					64.0	65.9	70.8			48.6	52.3	58.1	$26,964
E. C. Adams Middle School	Public	7-8	233 Church St.	Guilford	06437	South Central Connecticut Planning Region	Guilford School District	No	No	No	No	(203) 453-2755	478	46	10.3	14.4%	399 (83.5%)	4 (0.8%)	40 (8.4%)	17 (3.6%)	0 (0.0%)	1 (0.2%)	16 (3.3%)	90.9	15^th of 252 public middle schools	94.0%		89.8	19^th of 250 public middle schools	92.4%	4		76.6				76.2	73.2				76.6	74.5	$22,909
Nathan Hale-Ray Middle School	Public	4-8	73 Clark Gates Rd.	Moodus	06469	Lower Connecticut River Valley Planning Region	East Haddam School District	No	No	No	Yes	(860) 873-5081	346	38	9.1	24.9%	307 (88.7%)	4 (1.2%)	23 (6.6%)	1 (0.3%)	0 (0.0%)	0 (0.0%)	11 (3.2%)	51.4	119^th of 252 public middle schools	52.8%		59.8	98^th of 250 public middle schools	60.8%	21	64.5		60.0	62.9	50.0	50.0	43.9	60.0	58.1	45.5	47.4	43.9	$24,433
Beman Middle School	Public	6-8	1 Wilderman's Way	Middletown	06457	Lower Connecticut River Valley Planning Region	Middletown School District	No	No	No	No	(860) 347-8594	977	83	11.8	50.1%	371 (38.0%)	188 (19.2%)	266 (27.2%)	47 (4.8%)	2 (0.2%)	2 (0.2%)	101 (10.3%)	25	171^st of 252 public middle schools	32.1%		28.4	157^th of 250 public middle schools	37.2%	14		33.3			38.1	37.3	35.0			24.7	27.7	21.9	$23,394

Frequently Asked Questions about Haddam-Killingworth Middle School

What district is Haddam-Killingworth Middle School in?

Regional School District 17

What high school do graduates of Haddam-Killingworth Middle School attend?

Students who attend Haddam-Killingworth Middle School usually go on to attend Haddam-Killingworth High School

How many students attend Haddam-Killingworth Middle School?

In the 2024-25 school year, 423 students attended Haddam-Killingworth Middle School.

Is Haddam-Killingworth Middle School a good school?

Haddam-Killingworth Middle School ranks 33^rd of 252 Connecticut middle schools. SchoolDigger rates this school 4 stars out of 5.

What is the racial makeup of Haddam-Killingworth Middle School?

Students at Haddam-Killingworth Middle School are 89% White, 5% Hispanic, 3% Two or more races, 2% African American, 1% Asian.

Rate Haddam-Killingworth Middle School!

Other helpful SchoolDigger resources...

Compare to nearby schools

CTConnecticut Middle School Rankings

CTConnecticut District Rankings

Schools in Killingworth, CT

Sign up for updates!

Be the first to know when there is an update for Haddam-Killingworth Middle School!

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.