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SCHOOL COMMUNITY·INDIAN RIVER CENTRAL SCHOOL DISTRICT·NCES 361530004800

CALCIUM PRIMARY SCHOOL

25440 INDIAN RIVER DR, CALCIUM, NY 13616 · (315) 629-1100 · Jefferson County
GRADES PK–03ELEMENTARY41-RURALTITLE IREGULAR SCHOOL480 STUDENTS
Enrollment
480
Elementary
DISTRICT 301 · STATE 443
Student : Teacher
10.9:1
44 FTE teachers
DISTRICT 10.4:1 · STATE 12.8:1
Free / Reduced Lunch
45%
218 students
DISTRICT 50% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
113
Grade 1
125
Grade 2
116
Grade 3
126
Student demographics
White
26154%
DISTRICT 65% · STATE 39%
Hispanic
10923%
DISTRICT 16% · STATE 31%
Black
419%
DISTRICT 8% · STATE 16%
Asian
102%
DISTRICT 1% · STATE 10%
Two+
5712%
DISTRICT 8% · STATE 4%
Pacific Islander
20%
DISTRICT 1% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
26956%
Female
21144%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
44.0%
NY avg 58.3% . +5.0pp since 2023
Math
46.0%
NY avg 57.4% . -5.0pp since 2023
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
45.0%
composite math + reading, all grades
Predicted
58.3%
based on NY schools with similar FRL share
Beats by
-13.3pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
480
-90 (-16%) vs 2017
Student : Teacher
10.9:1
was 12.7:1
% White
54%
was 57%
% Hispanic
23%
was 20%
% Black
9%
was 13%
% Asian
2%
was 2%
Source: NCES Common Core of Data

About CALCIUM PRIMARY SCHOOL

CALCIUM PRIMARY SCHOOL, a reasonably sized K-5 school in CALCIUM, New York, run under INDIAN RIVER CENTRAL SCHOOL DISTRICT, hosts 480 students, covering grades pre-K through 3.

INDIAN RIVER CENTRAL SCHOOL DISTRICT runs 8 schools in total, collectively educating 3,326 students. CALCIUM PRIMARY SCHOOL is one of those campuses.

In terms of who attends, CALCIUM PRIMARY SCHOOL lists that the largest single group is White at 54%, but no single group is in the majority; the rest is composed of 23% Hispanic, 12% multiracial, 9% Black, 2% Asian. The wider county runs roughly 83% White, putting the school's mix meaningfully less White than the area baseline.

On the income-and-resources front, The school currently runs with 44 full-time-equivalent teachers, for a student-teacher ratio near 10.9:1. Statewide, the average ratio sits near 12.8:1, putting CALCIUM PRIMARY SCHOOL tighter than the state norm the norm. About 45% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.

Adjusting for the school's free-and-reduced-lunch share, CALCIUM PRIMARY SCHOOL tracks the demographic baseline. The model predicts 58.3% given the school's FRL share; actual proficiency is 45.0%.

In the area at large, community-level numbers for Jefferson County indicate the typical household earns roughly $66,301 per year, 27% of adults hold a bachelor's degree or higher, and the poverty rate sits near 10%. CALCIUM PRIMARY SCHOOL is one of 39 public schools in Jefferson County (combined enrollment of about 16,789 students).

Nearest neighbor: BLACK RIVER SCHOOL, around 3.1 miles off. Within five miles, there are 5 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), CALCIUM PRIMARY SCHOOL ranks 4th on composite proficiency, higher than the local average of 38.7%.

The school occupies a low-density site.

Over the past 7-year window. Looking back 7 years, enrollment at CALCIUM PRIMARY SCHOOL has declined 16%, going from 570 students in 2018 to 480 in 2025. The Black share of enrollment decreased from 13% to 9% over that span. Class-load math has narrowed: from 12.7:1 in 2018 to 10.9:1 in 2025.

In the discussion threads here, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.

Jefferson County at a glance

View full county profile
Population
115,040
Census ACS
Median income
$66,301
Household, ACS
Bachelor's+
27%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
39
16,789 students

Quick facts

School name
CALCIUM PRIMARY SCHOOL
District
INDIAN RIVER CENTRAL SCHOOL DISTRICT
Address
25440 INDIAN RIVER DR, CALCIUM, NY 13616
Phone
(315) 629-1100
County
Jefferson County
Level
Elementary
Grade range
PK–03
Total enrollment
480
Teachers (FTE)
44
Student–teacher ratio
10.9:1
Free/Reduced lunch
218 (45%)
Locale
41-Rural: Fringe
NCES ID
361530004800
Charter school
No
Virtual school
No

Related schools

Other schools in INDIAN RIVER CENTRAL SCHOOL DISTRICT
Nearby schools

Frequently asked questions

About CALCIUM PRIMARY SCHOOL
How large is CALCIUM PRIMARY SCHOOL?
CALCIUM PRIMARY SCHOOL enrolls approximately 480 students in grades PK-03.
What age range does CALCIUM PRIMARY SCHOOL serve?
CALCIUM PRIMARY SCHOOL serves students from grade PK through grade 03.
How many students per teacher at CALCIUM PRIMARY SCHOOL?
Approximately 10.9:1 students per teacher at CALCIUM PRIMARY SCHOOL.
How diverse is CALCIUM PRIMARY SCHOOL?
CALCIUM PRIMARY SCHOOL reports a student body of 54% White, 23% Hispanic, 9% Black, 2% Asian, 12% Two or more.
Who oversees CALCIUM PRIMARY SCHOOL?
CALCIUM PRIMARY SCHOOL is overseen by INDIAN RIVER CENTRAL SCHOOL DISTRICT in Jefferson County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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