Watertown Senior High School
1335 Washington St, Watertown, NY 13601
Public High School 9th to 12th
Students
1,083
SAT Overall Score
1210
Student Teacher Ratio
14:1
ACT Overall Score
21
Knickerbocker Elementary School
739 Knickerbocker Dr, Watertown, NY 13601
Public Elementary School K to 4th
Students
364
Math Proficiency
32%
Student Teacher Ratio
13:1
Reading Proficiency
22%
Mannsville Manor Elementary School
423 N Main St, Mannsville, NY 13661
Public Pre-K, Elementary School Pre-K to 5th
Students
319
Math Proficiency
32%
Student Teacher Ratio
12:1
Reading Proficiency
27%
Case Middle School
1237 Washington St, Watertown, NY 13601
Public Middle School 7th to 8th
Students
626
Math Proficiency
22%
Student Teacher Ratio
14:1
Reading Proficiency
35%
Harold T. Wiley School
1351 Washington St, Watertown, NY 13601
Public Middle School 5th to 6th
Students
574
Math Proficiency
27%
Student Teacher Ratio
14:1
Reading Proficiency
39%
Indian River High School
32925 US Route 11, Philadelphia, NY 13673
Public High School 9th to 12th
Students
781
SAT Overall Score
1170
Student Teacher Ratio
11:1
ACT Overall Score
28
Thousand Islands Middle School
8487 COUNTY RT 9, Clayton, NY 13624
Public Middle School 6th to 8th
Students
218
Math Proficiency
42%
Student Teacher Ratio
10:1
Reading Proficiency
64%
Immaculate Heart Central Junior/Senior High School
1316 Ives St, Watertown, NY 13601
Private High School 7th to 12th
Students
169
Tuition
$6,251
Student Teacher Ratio
6:1
Avg. Review Score
4
Thousand Islands High School
8481 County Route 9, Clayton, NY 13624
Public High School 9th to 12th
Students
247
SAT Overall Score
1230
Student Teacher Ratio
12:1
ACT Overall Score
28
Black River School
160 Leray St, Black River, NY 13612
Public Elementary School K to 4th
Students
460
Math Proficiency
52%
Student Teacher Ratio
11:1
Reading Proficiency
52%
Bashaw Elementary School
410 S ESSELSTYNE, Cape Vincent, NY 13618
Public Pre-K, Elementary School K to 5th
Students
125
Math Proficiency
54.5%
Student Teacher Ratio
14:1
Reading Proficiency
44.5%
Dexter Elementary School
415 E Grove St, Dexter, NY 13634
Public Pre-K, Elementary School Pre-K to 2nd
Students
316
Math Proficiency
47%
Student Teacher Ratio
17:1
Reading Proficiency
42%
Indian River Middle School
32735 County Route 29, Philadelphia, NY 13673
Public Middle School 6th to 8th
Students
672
Math Proficiency
31%
Student Teacher Ratio
10:1
Reading Proficiency
47%
Philadelphia Primary School
3 Sand St, Philadelphia, NY 13673
Public Pre-K, Elementary School Pre-K to 3rd
Students
114
Math Proficiency
44.5%
Student Teacher Ratio
10:1
Reading Proficiency
54.5%
Carthage Senior High School
36500 Nys Route 26, Carthage, NY 13619
Public High School 9th to 12th
Students
815
SAT Overall Score
1160
Student Teacher Ratio
12:1
ACT Overall Score
24
Lyme Central School
11868 Academy St, Chaumont, NY 13622
Public Pre-K, Elementary, Middle, High School Pre-K to 12th
Students
330
Math Proficiency
52%
Student Teacher Ratio
11:1
Reading Proficiency
52%
Sackets Harbor Central School
215 S BROAD St, Sackets Harbor, NY 13685
Public Pre-K, Elementary, Middle, High School Pre-K to 12th
Students
397
Math Proficiency
47%
Student Teacher Ratio
10:1
Reading Proficiency
52%
Theresa Primary School
125 Bridge St, Theresa, NY 13691
Public Elementary School K to 3rd
Students
187
Math Proficiency
64.5%
Student Teacher Ratio
12:1
Reading Proficiency
54.5%
Calcium Primary School
25440 Indian River Dr, Calcium, NY 13616
Public Pre-K, Elementary School Pre-K to 3rd
Students
536
Math Proficiency
42%
Student Teacher Ratio
12:1
Reading Proficiency
27%
Guardino Elementary School
600 High St, Clayton, NY 13624
Public Pre-K, Elementary School K to 5th
Students
293
Math Proficiency
42%
Student Teacher Ratio
13:1
Reading Proficiency
32%
South Jefferson High School
11060 US Route 11, Adams, NY 13605
Public High School 9th to 12th
Students
553
SAT Overall Score
1220
Student Teacher Ratio
13:1
ACT Overall Score
29
General Brown Junior/Senior High School
17643 Cemetery Rd, Dexter, NY 13634
Public High School 7th to 12th
Students
661
SAT Overall Score
1210
Student Teacher Ratio
17:1
ACT Overall Score
25
Clarke Middle School
11060 US Route 11, Adams, NY 13605
Public Middle School 6th to 8th
Students
435
Math Proficiency
27%
Student Teacher Ratio
14:1
Reading Proficiency
41%
Faith Fellowship Christian School
131 Moore Ave, Watertown, NY 13601
Private Pre-K, Elementary, Middle, High School Pre-K to 12th
Students
153
Student Teacher Ratio
10:1
Avg. Review Score
5
Alexandria Central Elementary School
34 Bolton Ave, Alexandria Bay, NY 13607
Public Pre-K, Elementary School Pre-K to 6th
Students
231
Math Proficiency
47%
Student Teacher Ratio
9:1
Reading Proficiency
42%
Showing Results 1 - 25, Page 1 of 2
For families seeking quality education in Jefferson County, NY, the area offers 47 school options including the highly-rated Thousand Islands Middle School (8/10 on GreatSchools) and Indian River High School (A on Niche). Local schools demonstrate strong academic achievement, with top performers reaching 95% math proficiency and 95% reading proficiency. Jefferson County has a variety of education options, ensuring families and homebuyers can find the right fit when choosing their new city or neighborhood.
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