Lowest Student–Teacher Ratio in Waterbury (2025)

Schools with the fewest students per FTE teacher, among schools with at least 100 students. Ranked by the Success Index (US) from official American data; 31 schools in Waterbury, Connecticut. Rank positions shown on each profile are within United States and Connecticut.

1
28
Bucks Hill SchoolWaterbury · Public ElementaryStudents per teacher: 7.3
2
24
North End Middle SchoolWaterbury · Public MiddleStudents per teacher: 9.9
3
23
Hopeville SchoolWaterbury · Public ElementaryStudents per teacher: 10.4
4
23
West Side Middle SchoolWaterbury · Public MiddleStudents per teacher: 10.7
5
24
Michael F. Wallace Middle SchoolWaterbury · Public MiddleStudents per teacher: 11.5
6
41
H. S. Chase SchoolWaterbury · Public ElementaryStudents per teacher: 11.6
7
32
Margaret M. Generali Elementary SchoolWaterbury · Public ElementaryStudents per teacher: 11.9
8
21
Sprague SchoolWaterbury · Public ElementaryStudents per teacher: 11.9
9
42
Waterbury Career AcademyWaterbury · Public HighStudents per teacher: 12.0
10
35
Waterbury Arts Magnet SchoolWaterbury · Public HighStudents per teacher: 12.1
11
34
Duggan SchoolWaterbury · Public ElementaryStudents per teacher: 12.3
12
27
Washington SchoolWaterbury · Public ElementaryStudents per teacher: 12.3
13
20
Walsh SchoolWaterbury · Public ElementaryStudents per teacher: 12.5
14
41
Carrington SchoolWaterbury · Public ElementaryStudents per teacher: 13.4
15
56
ACES at ChaseWaterbury · Public MiddleStudents per teacher: 13.6
16
45
Wendell L. Cross SchoolWaterbury · Public ElementaryStudents per teacher: 13.8
17
35
Regan SchoolWaterbury · Public ElementaryStudents per teacher: 13.9
18
18
Driggs SchoolWaterbury · Public ElementaryStudents per teacher: 14.1
19
55
Brass City Charter SchoolWaterbury · Charter ElementaryStudents per teacher: 14.3
20
19
John F. Kennedy High SchoolWaterbury · Public HighStudents per teacher: 14.3
21
57
Maloney Interdistrict Magnet SchoolWaterbury · Public ElementaryStudents per teacher: 14.4
22
14
Wilby High SchoolWaterbury · Public HighStudents per teacher: 14.6
23
22
Bunker Hill SchoolWaterbury · Public ElementaryStudents per teacher: 14.8
24
19
Woodrow Wilson SchoolWaterbury · Public ElementaryStudents per teacher: 14.8
25
18
Gilmartin SchoolWaterbury · Public ElementaryStudents per teacher: 14.9
26
23
Reed SchoolWaterbury · Public ElementaryStudents per teacher: 15.1
27
23
F. J. Kingsbury SchoolWaterbury · Public ElementaryStudents per teacher: 16.0
28
24
B. W. Tinker SchoolWaterbury · Public ElementaryStudents per teacher: 16.1
29
59
Rotella Interdistrict Magnet SchoolWaterbury · Public ElementaryStudents per teacher: 16.2
30
12
Crosby High SchoolWaterbury · Public HighStudents per teacher: 17.1
31
30
Roberto Clemente International Dual Language SchoolWaterbury · Public ElementaryStudents per teacher: 18.3

#	School	Sector	Students per teacher	Success Index (US)	Key result	Students
1	Bucks Hill School Waterbury · Elementary · Grades PK–5	Public	7.3	27.5 Lower 50%	17% Math proficiency	283
2	North End Middle School Waterbury · Middle · Grades 6–8	Public	9.9	24.2 Lower 50%	13% Math proficiency	766
3	Hopeville School Waterbury · Elementary · Grades PK–5	Public	10.4	23.3 Lower 50%	12% Math proficiency	291
4	West Side Middle School Waterbury · Middle · Grades 6–8	Public	10.7	23.0 Lower 50%	9% Math proficiency	848
5	Michael F. Wallace Middle School Waterbury · Middle · Grades 4–8	Public	11.5	23.5 Lower 50%	13% Math proficiency	1,059
6	H. S. Chase School Waterbury · Elementary · Grades PK–5	Public	11.6	40.7 Lower 50%	38% Math proficiency	543
7	Margaret M. Generali Elementary School Waterbury · Elementary · Grades PK–5	Public	11.9	32.0 Lower 50%	26% Math proficiency	415
8	Sprague School Waterbury · Elementary · Grades PK–5	Public	11.9	20.7 Lower 50%	17% Math proficiency	344
9	Waterbury Career Academy Waterbury · High · Grades 9–12	Public	12.0	41.6 Lower 50%	22% Math proficiency	709
10	Waterbury Arts Magnet School Waterbury · High · Grades 6–12	Public	12.1	34.8 Lower 50%	17% Math proficiency	820
11	Duggan School Waterbury · Elementary · Grades PK–8	Public	12.3	33.8 Lower 50%	29% Math proficiency	429
12	Washington School Waterbury · Elementary · Grades PK–5	Public	12.3	26.5 Lower 50%	17% Math proficiency	284
13	Walsh School Waterbury · Elementary · Grades PK–5	Public	12.5	19.7 Lower 50%	14% Math proficiency	350
14	Carrington School Waterbury · Elementary · Grades PK–8	Public	13.4	40.7 Lower 50%	33% Math proficiency	455
15	ACES at Chase Waterbury · Middle · Grades 6–9	Public	13.6	56.4 Top 50%	41% Math proficiency	556
16	Wendell L. Cross School Waterbury · Elementary · Grades PK–8	Public	13.8	44.5 Lower 50%	42% Math proficiency	606
17	Regan School Waterbury · Elementary · Grades PK–5	Public	13.9	34.7 Lower 50%	37% Math proficiency	237
18	Driggs School Waterbury · Elementary · Grades PK–5	Public	14.1	18.1 Lower 50%	15% Math proficiency	410
19	Brass City Charter School Waterbury · Elementary · Grades PK–8	Charter	14.3	54.8 Top 50%	52% Math proficiency	401
20	John F. Kennedy High School Waterbury · High · Grades 9–12	Public	14.3	18.9 Lower 50%	10% Math proficiency	1,391
21	Maloney Interdistrict Magnet School Waterbury · Elementary · Grades PK–5	Public	14.4	57.3 Top 50%	51% Math proficiency	590
22	Wilby High School Waterbury · High · Grades 9–12	Public	14.6	14.0 Lower 50%	2% Math proficiency	1,196
23	Bunker Hill School Waterbury · Elementary · Grades PK–5	Public	14.8	22.3 Lower 50%	20% Math proficiency	445
24	Woodrow Wilson School Waterbury · Elementary · Grades PK–5	Public	14.8	18.8 Lower 50%	22% Math proficiency	415
25	Gilmartin School Waterbury · Elementary · Grades PK–8	Public	14.9	17.5 Lower 50%	14% Math proficiency	462
26	Reed School Waterbury · Elementary · Grades PK–8	Public	15.1	22.7 Lower 50%	25% Math proficiency	439
27	F. J. Kingsbury School Waterbury · Elementary · Grades PK–5	Public	16.0	23.2 Lower 50%	29% Math proficiency	416
28	B. W. Tinker School Waterbury · Elementary · Grades PK–5	Public	16.1	23.8 Lower 50%	24% Math proficiency	578
29	Rotella Interdistrict Magnet School Waterbury · Elementary · Grades PK–5	Public	16.2	58.8 Top 50%	54% Math proficiency	614
30	Crosby High School Waterbury · High · Grades 9–12	Public	17.1	12.4 Lower 50%	5% Math proficiency	1,453
31	Roberto Clemente International Dual Language School Waterbury · Elementary · Grades PK–4	Public	18.3	29.8 Lower 50%	74.2% Free/reduced-price lunch	275

Bucks Hill School in Waterbury leads the 2025 list of lowest student–teacher ratio in Waterbury with Students per teacher 7.3. Of the 31 schools shown, 30 are public, 1 are charter.

For the full picture see the wider Connecticut lowest student–teacher ratio rankings, every school on the Waterbury page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best ratio school in Waterbury?

Bucks Hill School in Waterbury, Connecticut ranks first among lowest student–teacher ratio in Waterbury with Students per teacher 7.3 (Enrollment: 283).

How are lowest student–teacher ratio in Waterbury ranked?

Schools with the fewest students per FTE teacher, among schools with at least 100 students. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.