Cos Cob School

  • Cos Cob School serves 446 students in grades Kindergarten-5.
  • The percentage of students achieving proficiency in Math is 64% (which is higher than the Connecticut state average of 46%) for the 2016-17 school year. The percentage of students achieving proficiency in Reading/Language Arts is 71% (which is higher than the Connecticut state average of 57%) for the 2016-17 school year.
  • The student:teacher ratio of 12:1 is lower than the Connecticut state level of 13:1.
  • Minority enrollment is 37% of the student body (majority Hispanic), which is lower than the Connecticut state average of 45%.

School Overview

  • Cos Cob School's student population of 446 students has stayed relatively flat over five school years.
  • The teacher population of 37 teachers has grown by 5% over five school years.
Grades OfferedGrades Kindergarten-5
Total Students446 students
This chart display total students of Cos Cob School by year, with the latest 2016-17 school year data.
Gender %This chart display gender of Cos Cob School
Total Classroom Teachers37 teachers
This chart display the total teachers of Cos Cob School by year, with the latest 2016-17 school year data.
Students by GradeThis chart display the students of Cos Cob School by grade.

School Comparison

  • Cos Cob School's student:teacher ratio of 12:1 has decreased from 13:1 over five school years.
  • The diversity score of Cos Cob School is 0.55, which is more than the diversity score at state average of 0.43. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2016-2017 School Year DataThis SchoolState Level (CT)
Overall School Rank#239 out of 968 schools
(Top 30%)
Math Test Scores (% Proficient)
64%
46%
This chart display 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 2016-17 school year data.
Reading / Language Arts Test Scores (% Proficient)
71%
57%
This chart display 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 2016-17 school year data.
Student : Teacher Ratio12:113:1
This chart display the student teacher ratio of Cos Cob School and the public school average student teacher ratio of Connecticut by year, with the latest 2016-17 school year data.
Asian
11%
5%
This chart display the percentage of Asian students in Cos Cob School and the percentage of Asian public school students in Connecticut by year, with the latest 2016-17 school year data.
Hispanic
20%
24%
This chart display the percentage of Hispanic students in Cos Cob School and the percentage of Hispanic public school students in Connecticut by year, with the latest 2016-17 school year data.
Black
n/a
13%
This chart display the percentage of Black students in Cos Cob School and the percentage of Black public school students in Connecticut by year, with the latest 2014-15 school year data.
White
63%
55%
This chart display the percentage of White students in Cos Cob School and the percentage of White public school students in Connecticut by year, with the latest 2016-17 school year data.
Two or more races
6%
3%
This chart display 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 2016-17 school year data.
All Ethnic GroupsThis chart display the percentage breakdown of students of all ethnic groups in Cos Cob School.This chart display the percentage breakdown of public school students of all ethnic groups in CT.
Diversity Score0.550.43
This chart display the diversity score of Cos Cob School and the public school average diversity score of Connecticut by year, with the latest 2016-17 school year data.
Eligible for Free Lunch
7%
31%
This chart display 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 2016-17 school year data.
Eligible for Reduced Lunch
4%
5%
This chart display 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 2016-17 school year data.
School Statewide TestingView Education Department Test Scores
School District NameGreenwich School District
Source: 2016-2017 (latest school year available) NCES, CT Dept. of Education

Nearby Public Schools

Show me:
  • School Location Miles Grades Students
  • Greenwich Central Middle School
    Grades: 6-8 | 558 students
    0.5 miles
    9 Indian Rock Ln.
    Greenwich, CT 06830
    (203)661-8500
    0.5 6-8 558
  • Riverside Eastern Middle School
    Grades: 6-8 | 846 students
    0.8 miles
    51 Hendrie Ave.
    Riverside, CT 06878
    (203)637-1744
    0.8 6-8 846
  • Greenwich Greenwich High School
    Grades: 9-12 | 2625 students
    0.8 miles
    10 Hillside Rd.
    Greenwich, CT 06830
    (203)625-8000
    0.8 9-12 2625
  • Riverside Riverside School
    Grades: K-5 | 468 students
    0.9 miles
    90 Hendrie Ave.
    Riverside, CT 06878
    (203)637-1440
    0.9 K-5 468
  • Greenwich Community Connections Special Education School
    Grades: 12 | 7 students
    1.3 miles
    180 East Elm Street
    Greenwich, CT 06830
    (203)625-7459
    1.3 12 7

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