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Griswold Middle School

Q: Is Griswold Middle School a good school?

Griswold Middle School ranks 147 th of 252 Connecticut middle schools. SchoolDigger rates this school 2 stars out of 5.

Public Grades 5-8

147^th

SchoolDigger Rank ?

of 252 Connecticut Middle Schools

Better than 42% of Connecticut middle schools

Summary

Griswold Middle School is a public middle school serving grades 5-8 in Griswold, Connecticut, which is part of the Griswold School District. With 506 students, the school has received a 2-3 star rating from SchoolDigger, indicating it is performing below average compared to other middle schools in the state.

Griswold Middle School's test scores are generally below the state average across all grades and subjects. For example, in 2024-2025, the school's proficiency rates in SBAC English Language Arts ranged from 44.4% to 66%, compared to the state average of 50-52.5%. In SBAC Mathematics, the school's proficiency rates ranged from 30.5% to 43.7%, compared to the state average of 40.8-44.9%. Additionally, the school has had high chronic absenteeism rates, ranging from 17.3% to 24.8% over the past few years, which is significantly higher than the state average.

Interestingly, Griswold Middle School's performance is generally weaker than many of the nearby middle schools, such as Lebanon Middle School, Dr. Helen Baldwin Middle School, and Preston Plains School, which have higher test scores, lower chronic absenteeism, and better rankings. The school's challenges appear to be multifaceted, involving factors such as socioeconomic status, district-level support, and instructional practices.

529

Students ?

14.0

Student/teacher ratio ?

$16,816

Per pupil spending ?

54.3%

Free/discounted lunch ?

211 Slater Ave.
Griswold, CT 06351

(860) 376-7630

District: Griswold School District

Students who attend Griswold Middle School usually attend:

High:

Griswold High School

Feeder schools for Griswold Middle School:

Elementary:

Griswold Elementary School

Racial breakdown:

White:

73.7%

Hispanic:

12.9%

Two or more races:

7.4%

See top rated Connecticut middle schools

Compare Griswold Middle School to nearby middle schools!

At a glance

▼ Ranking trend: Declining — 50th percentile in 2013 → 42nd in 2025

Worth a look

!Test scores below the Connecticut average (41% vs 47% meeting standards)

!Ranking has slipped — down 8 percentile points since 2013

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

Students meeting standards (2024-2025) ?

This school41%

District avg44%

Connecticut avg47%

147^th of 252

Connecticut public middle schools ?

Bottom 42%▼ down 18 pts since 2015

From top 41% (2015) to bottom 42% (2025)

See the entire ranking list of Connecticut Middle Schools →

★★★★★

SchoolDigger rating ?

124^th of 156Griswold 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	37.9	147 of 252	41.7%	★★☆☆☆
2024	47.4	123 of 250	50.8%	★★★☆☆
2023	52.8	116 of 249	53.4%	★★★☆☆
2022	39.7	136 of 250	45.6%	★★☆☆☆
2021	49.9	125 of 275	54.5%	★★★☆☆
2018	63.1	108 of 249	56.6%	★★★☆☆
2017	66.7	85 of 250	66.0%	★★★☆☆
2016	59.7	103 of 246	58.1%	★★★☆☆
2015	60.3	114 of 280	59.3%	★★★☆☆
2013	62.3	140 of 278	49.6%	★★★☆☆
2012	66.6	122 of 272	55.1%	★★★☆☆
2011	68.6	115 of 269	57.2%	★★★☆☆
2010	62.2	137 of 268	48.9%	★★☆☆☆
2009	69.7	99 of 255	61.2%	★★★☆☆
2008	54.8	145 of 252	42.5%	★★☆☆☆
2007	58.0	132 of 250	47.2%	★★☆☆☆
2006	57.7	133 of 248	46.4%	★★☆☆☆

Female

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	44.5	94 of 164	42.7%	★★☆☆☆
2024	33.2	108 of 161	32.9%	★★☆☆☆
2023	46.7	88 of 160	45.0%	★★☆☆☆
2021	39.0	136 of 235	42.1%	★★☆☆☆
2019	51.3	97 of 169	42.6%	★★☆☆☆
2018	50.3	95 of 160	40.6%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	52.9	53 of 117	54.7%	★★★☆☆
2024	37.2	73 of 114	36.0%	★★☆☆☆
2023	55.4	41 of 109	62.4%	★★★☆☆
2022	34.5	73 of 106	31.1%	★★☆☆☆
2021	47.5	108 of 218	50.5%	★★★☆☆
2019	56.4	47 of 104	54.8%	★★★☆☆

Male

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	31.2	111 of 162	31.5%	★★☆☆☆
2024	32.9	103 of 157	34.4%	★★☆☆☆
2023	44.5	94 of 158	40.5%	★★☆☆☆
2022	32.4	115 of 169	32.0%	★★☆☆☆
2021	52.1	100 of 224	55.4%	★★★☆☆
2019	51.8	93 of 167	44.3%	★★☆☆☆
2018	59.5	77 of 164	53.0%	★★★☆☆

Special Education

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	48.5	121 of 244	50.4%	★★★☆☆

White

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2025	16.3	129 of 153	15.7%	★☆☆☆☆
2024	12.3	139 of 154	9.7%	★☆☆☆☆
2023	23.4	127 of 158	19.6%	★☆☆☆☆
2022	15.6	132 of 151	12.6%	★☆☆☆☆
2021	26.8	135 of 175	22.9%	★☆☆☆☆
2019	37.3	108 of 166	34.9%	★★☆☆☆
2018	44.6	97 of 168	42.3%	★★☆☆☆

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)

Low Socio Economic Status (2025)55th percentile+13 vs school

Special Education (2021)50th percentile-4 vs school

Female (2025)43rd percentile~ school

Male (2025)31st percentile-10 vs school

White (2025)16th percentile-26 vs school

By subject vs Connecticut (2024-2025) ?

English Language Arts45%-6 vs state

Science44%-9 vs state

Mathematics35%-8 vs state

★

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Schools Near Griswold 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 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
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
Kelly STEAM Magnet Middle School	Public, Magnet	6-8	25 Mahan Dr.	Norwich	06360	Southeastern Connecticut Planning Region	Norwich School District	No	Yes	No	Yes	(860) 823-4211	593	52	11.4	73.9%	171 (28.8%)	105 (17.7%)	224 (37.8%)	47 (7.9%)	0 (0.0%)	3 (0.5%)	43 (7.3%)	20.9	183^rd of 252 public middle schools	27.4%		20.2	180^th of 250 public middle schools	28.0%	3		32.2		26.7	35.7	35.8		19.5	24.4	22.2	$23,513
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
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
Preston Plains School	Public	6-8	1 Route 164	Preston	06365	Southeastern Connecticut Planning Region	Preston School District	No	No	No	Yes	(860) 889-3831	141	12	11.9	32.6%	109 (77.3%)	5 (3.5%)	16 (11.3%)	5 (3.5%)	1 (0.7%)	1 (0.7%)	4 (2.8%)	51.5	118^th of 252 public middle schools	53.2%		54.6	112^th of 250 public middle schools	55.2%	6				56.0		60.0		30.0	44.2		$29,544
Teachers' Memorial Global Studies Magnet Middle School	Public, Magnet	6-8	15 Teachers Dr.	Norwich	06360	Southeastern Connecticut Planning Region	Norwich School District	No	Yes	No	Yes	(860) 823-4212	447	41	10.7	82.3%	94 (21.0%)	117 (26.2%)	177 (39.6%)	18 (4.0%)	1 (0.2%)	1 (0.2%)	38 (8.5%)	8.6	232^nd of 252 public middle schools	7.9%		8.6	225^th of 250 public middle schools	10.0%	7		21.1		18.4	20.7	25.0		7.4	11.4	4.1	$26,755
Ledyard Middle School	Public	6-8	1860 Route 12	Gales Ferry	06335	Southeastern Connecticut Planning Region	Ledyard School District	No	No	No	Yes	(860) 464-3188	535	45	12.0	28.6%	358 (66.9%)	16 (3.0%)	86 (16.1%)	15 (2.8%)	7 (1.3%)	1 (0.2%)	52 (9.7%)	44.6	132^nd of 252 public middle schools	47.6%		41.6	137^th of 250 public middle schools	45.2%	5		53.2		40.2	49.7	46.6		31.0	48.2	30.4	$18,170
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
Lebanon Middle School	Public	5-8	891 Exeter Rd.	Lebanon	06249	Southeastern Connecticut Planning Region	Lebanon School District	No	No	No	Yes	(860) 642-4702	265	31	8.6	28.3%	224 (84.5%)	3 (1.1%)	26 (9.8%)	3 (1.1%)	2 (0.8%)	4 (1.5%)	3 (1.1%)	81.8	46^th of 252 public middle schools	81.7%		78.8	55^th of 250 public middle schools	78.0%	9			67.2	70.5	70.2	68.1	53.7	67.2		56.5	$25,651
Leonard J. Tyl Middle School	Public	6-8	166 Chesterfield Rd.	Oakdale	06370	Southeastern Connecticut Planning Region	Montville School District	No	No	No	No	(860) 848-2822	519	45	11.5	46.4%	292 (56.3%)	34 (6.6%)	87 (16.8%)	32 (6.2%)	5 (1.0%)	0 (0.0%)	69 (13.3%)	45.1	131^st of 252 public middle schools	48.0%		42.4	136^th of 250 public middle schools	45.6%	5		49.2		51.9	42.7	44.5		36.9	33.1	42.7	$20,797

Frequently Asked Questions about Griswold Middle School

What high school do graduates of Griswold Middle School attend?

Students who attend Griswold Middle School usually go on to attend Griswold High School

Is Griswold Middle School a good school?

Griswold Middle School ranks 147^th of 252 Connecticut middle schools. SchoolDigger rates this school 2 stars out of 5.

What is the racial makeup of Griswold Middle School?

Students at Griswold Middle School are 74% White, 13% Hispanic, 7% Two or more races, 3% African American, 2% Asian.

How many students attend Griswold Middle School?

In the 2024-25 school year, 529 students attended Griswold Middle School.

What district is Griswold Middle School in?

Griswold School District

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Schools in Griswold, CT

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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.