Serving 540 students in grades Prekindergarten-3, Calcium Primary School ranks in the bottom 50% of all schools in New York for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 55-59% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the New York state average of 49%).
The student:teacher ratio of 12:1 is higher than the New York state level of 11:1.
Minority enrollment is 45% of the student body (majority Hispanic), which is lower than the New York state average of 60% (majority Hispanic).
Quick Stats (2025)
- Grades: Prekindergarten-3
- Enrollment: 540 students
- Student:Teacher Ratio: 12:1
- Minority Enrollment: 45%
- Overall Testing Rank: Bottom 50% in NY
- Math Proficiency: 55-59% (Top 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
Calcium Primary School's student population of 540 students has declined by 7% over five school years.
The teacher population of 45 teachers has grown by 12% over five school years.
Grades Offered
Grades Prekindergarten-3
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
540 students
Gender %
Total Classroom Teachers
45 teachers
Year Founded
1905
School Calendar
First Day of School
Mon. Sep 1, 2025
Last Day of School
Sat. Jun 20, 2026
School Rankings
Calcium Primary School ranks within the bottom 50% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Calcium Primary School is 0.63, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2660 out of 4346 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
55-59%
52%
Reading/Language Arts Test Scores (% Proficient)
25-29%
49%
Student : Teacher Ratio
12:1
11:1
American Indian
n/a
1%
Asian
1%
10%
Hispanic
24%
30%
Black
9%
16%
White
55%
40%
Hawaiian
1%
n/a
Two or more races
10%
3%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
35%
54%
Eligible for Reduced Lunch
22%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Calcium Primary School's ranking?
Calcium Primary School is ranked #2660 out of 4,346 schools, which ranks it among the bottom 50% of public schools in New York.
What schools are Calcium Primary School often compared to?
Calcium Primary Schoolis often viewed alongside schools like Evans Mills Primary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55-59% of students have achieved math proficiency (compared to the 52% NY state average), while 25-29% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend Calcium Primary School?
540 students attend Calcium Primary School.
What is the racial composition of the student body?
55% of Calcium Primary School students are White, 24% of students are Hispanic, 10% of students are Two or more races, 9% of students are Black, 1% of students are Asian, and 1% of students are Hawaiian.
What is the student:teacher ratio of Calcium Primary School?
Calcium Primary School has a student ration of 12:1, which is higher than the New York state average of 11:1.
What grades does Calcium Primary School offer ?
Calcium Primary School offers enrollment in grades Prekindergarten-3 (Supplemental Virtual).
What school district is Calcium Primary School part of?
Calcium Primary School is part of Indian River Central School District.
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