Crosby High School is a public high school located in the East End section of the city of Waterbury, Connecticut. It is part of the Waterbury Public Schools district. It was first opened in 1851 and is currently the third oldest high school in Connecticut. It has an enrollment of approximately 1368 students.
Serving 1,452 students in grades 9-12, Crosby High School ranks in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 4% (which is lower than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 16% (which is lower than the Connecticut state average of 50%).
The student-teacher ratio of 15:1 is higher than the Connecticut state level of 12:1.
Minority enrollment is 93% of the student body (majority Hispanic), which is higher than the Connecticut state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,452 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 93%
- Graduation Rate: 85% (Btm 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 4% (Btm 50%)
- Reading Proficiency: 16% (Btm 50%)
- Science Proficiency: 6% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
<麻豆果冻传媒 class='so-dt-title' id="overview">School Overview <麻豆果冻传媒 class='so-dt-title' id="school-rankings">School Rankings <麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
Crosby High School's student population of 1,452 students has grown by 19% over five school years.
The teacher population of 96 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,452 students
Gender %
Total Classroom Teachers
96 teachers
Year Founded
1851
Colors
White, Blue
School Calendar
Last Day of School
Sat. Jun 13, 2026
Crosby High School ranks within the bottom 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Crosby High School is 0.52, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#912 out of 939 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
4%
41%
Reading/Language Arts Test Scores (% Proficient)
16%
50%
Science Test Scores (% Proficient)
6%
47%
Student-Teacher Ratio
15:1
12:1
American Indian
1%
n/a
Asian
1%
5%
Hispanic
65%
31%
Black
23%
12%
White
7%
47%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
85%
89%
Eligible for Free Lunch
83%
37%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
<麻豆果冻传媒 class='so-dt-title' id="school-notes">School Notes- School Mascot: Bulldogs
What is Crosby High School's ranking?
Crosby High School is ranked #912 out of 939 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Crosby High School often compared to?
Crosby High Schoolis often viewed alongside schools like Wilby High School, John F. Kennedy High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
4% of students have achieved math proficiency (compared to the 41% CT state average), while 16% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Crosby High School?
The graduation rate of Crosby High School is 85%, which is lower than the Connecticut state average of 89%.
How many students attend Crosby High School?
1,452 students attend Crosby High School.
What is the racial composition of the student body?
65% of Crosby High School students are Hispanic, 23% of students are Black, 7% of students are White, 3% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Crosby High School?
Crosby High School has a student ration of 15:1, which is higher than the Connecticut state average of 12:1.
What grades does Crosby High School offer ?
Crosby High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Crosby High School part of?
Crosby High School is part of Waterbury School District.
School ReviewsReview Crosby High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Review Crosby High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
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