Public School Review - Established 2003

Cos Cob School vs. International School At Dundee

Should you attend Cos Cob School or International School At Dundee? Visitors to our site frequently compare these two schools. Compare their rankings, test scores, reviews and more to help you determine which school is the best choice for you.

School Overview

School
Cos Cob School
300 East Putnam Ave.
Cos Cob, CT 06807
: 
8/
10
Top 30%
International School At Dundee
55 Florence Rd.
Riverside, CT 06878
: 
10/
10
Top 1%
Top Rankings

Cos Cob School ranks among the top 20% of public schools in Connecticut for:

Category
Attribute
Student Attention
Lowest student:teacher ratio (Top 5%)

International School At Dundee ranks among the top 20% of public schools in Connecticut for:

Category
Attribute
Overall Rank
Highest overall rank (Top 1%)
Math Proficiency
Highest math proficiency (Top 5%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 1%)
Diversity
Most diverse schools (Top 20%)
Overview
Serving 337 students in grades Kindergarten-5, Cos Cob School ranks in the top 30% of all schools in Connecticut for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 60-64% (which is higher than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 65-69% (which is higher than the Connecticut state average of 50%).
The student:teacher ratio of 9:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 34% of the student body (majority Hispanic), which is lower than the Connecticut state average of 52% (majority Hispanic).
Serving 341 students in grades Kindergarten-5, International School At Dundee ranks in the top 1% of all schools in Connecticut for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 80-84% (which is higher than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 85-89% (which is higher than the Connecticut state average of 50%).
The student:teacher ratio of 12:1 is equal to the Connecticut state level of 12:1.
Minority enrollment is 53% of the student body (majority Asian), which is higher than the Connecticut state average of 52% (majority Hispanic).
Grades Offered
K-5
K-5
Total Students
337 students
341 students
This chart displays total students of Cos Cob School by year, with the latest 2022-23 school year data.
This chart displays total students of International School At Dundee by year, with the latest 2022-23 school year data.
% Male | % Female
54% | 46%
54% | 46%
This chart displays gender of Cos Cob School
This chart displays gender of International School At Dundee
Total Classroom Teachers
38 teachers
29 teachers
This chart displays the total teachers of Cos Cob School by year, with the latest 2022-23 school year data.
This chart displays the total teachers of International School At Dundee by year, with the latest 2022-23 school year data.
Student : Teacher Ratio
9:1
12:1
This chart displays the student teacher ratio of Cos Cob School and the public school average student teacher ratio of Connecticut by year, with the latest 2022-23 school year data.
This chart displays the student teacher ratio of International School At Dundee and the public school average student teacher ratio of Connecticut by year, with the latest 2022-23 school year data.

Test Scores

#215 out of 942 schools in CT
(Top 30%)
#7 out of 942 schools in CT
(Top 1%)
This chart displays the overall school rank of Cos Cob School, with the latest 2021-22 school year data.
This chart displays the overall school rank of International School At Dundee, with the latest 2021-22 school year data.
60-64%
(Top 30% in CT)
80-84%
(Top 5% in CT)
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Cos Cob School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Connecticut by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of International School At Dundee and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Connecticut by year, with the latest 2021-22 school year data.
65-69%
(Top 30% in CT)
85-89%
(Top 1% in CT)
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Cos Cob School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Connecticut by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of International School At Dundee and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Connecticut by year, with the latest 2021-22 school year data.
55-59%
(Top 50% in CT)
80-84%
(Top 5% in CT)
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Cos Cob School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in Connecticut by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of International School At Dundee and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in Connecticut by year, with the latest 2021-22 school year data.

Students by Grade

Students by Grade
This chart displays the students of Cos Cob School by grade.
This chart displays the students of International School At Dundee by grade.
Kindergarten Students
61
50
Grade 1 Students
56
59
Grade 2 Students
45
53
Grade 3 Students
51
53
Grade 4 Students
68
57
Grade 5 Students
56
69

Students by Ethnicity

% American Indian
n/a
n/a
% Asian
10%
25%
This chart displays the percentage of Asian students in Cos Cob School and the percentage of Asian public school students in Connecticut by year, with the latest 2022-23 school year data.
This chart displays the percentage of Asian students in International School At Dundee and the percentage of Asian public school students in Connecticut by year, with the latest 2022-23 school year data.
% Hispanic
15%
18%
This chart displays the percentage of Hispanic students in Cos Cob School and the percentage of Hispanic public school students in Connecticut by year, with the latest 2022-23 school year data.
This chart displays the percentage of Hispanic students in International School At Dundee and the percentage of Hispanic public school students in Connecticut by year, with the latest 2022-23 school year data.
% Black
1%
2%
This chart displays the percentage of Black students in Cos Cob School and the percentage of Black public school students in Connecticut by year, with the latest 2022-23 school year data.
This chart displays the percentage of Black students in International School At Dundee and the percentage of Black public school students in Connecticut by year, with the latest 2022-23 school year data.
% White
66%
47%
This chart displays the percentage of White students in Cos Cob School and the percentage of White public school students in Connecticut by year, with the latest 2022-23 school year data.
This chart displays the percentage of White students in International School At Dundee and the percentage of White public school students in Connecticut by year, with the latest 2022-23 school year data.
% Hawaiian
n/a
n/a
% Two or more races
8%
8%
This chart displays the percentage of students of two or more races in Cos Cob School and the percentage of public school students of two or more races in Connecticut by year, with the latest 2022-23 school year data.
This chart displays the percentage of students of two or more races in International School At Dundee and the percentage of public school students of two or more races in Connecticut by year, with the latest 2022-23 school year data.
0.53
0.68
This chart displays the diversity score of Cos Cob School and the public school average diversity score of Connecticut by year, with the latest 2022-23 school year data.
This chart displays the diversity score of International School At Dundee and the public school average diversity score of Connecticut by year, with the latest 2022-23 school year data.

Additional Information

Eligible for Free Lunch
12%
6%
This chart displays the percentage of students who is eligible for free lunch in Cos Cob School and the percentage of public school students who is eligible for free lunch in Connecticut by year, with the latest 2022-23 school year data.
This chart displays the percentage of students who is eligible for free lunch in International School At Dundee and the percentage of public school students who is eligible for free lunch in Connecticut by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
1%
2%
This chart displays the percentage of students who is eligible for reduced lunch in Cos Cob School and the percentage of public school students who is eligible for reduced lunch in Connecticut by year, with the latest 2022-23 school year data.
This chart displays the percentage of students who is eligible for reduced lunch in International School At Dundee and the percentage of public school students who is eligible for reduced lunch in Connecticut by year, with the latest 2022-23 school year data.
 
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