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Calcium Primary School

Public Grades PK, KG-3

480

Students ?

10.9

Student/teacher ratio ?

$28,056

Per pupil spending ?

45.4%

Free/discounted lunch ?

25440 Indian River Dr
Calcium, NY 13616-0459

(315) 629-1100

District: Indian River Central School District

Students who attend Calcium Primary School usually attend:

Middle:	Indian River Middle School
High:	Indian River High School

Racial breakdown:

White:

54.4%

Hispanic:

22.7%

Two or more races:

11.9%

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Compare Calcium Primary School to nearby elementary schools!

At a glance

Strengths

✓Small classes — about 11 students per teacher

Worth a look

!Test scores below the New York average (45% vs 57% meeting standards)

!Math scores 14 pts below the New York average

Students meeting standards (2024-2025) ?

This school45%

District avg49%

New York avg57%

Not ranked this year

Calcium Primary School did not have enough recent test-score data to be ranked. Check the trend below for past years.

By subject vs New York (2024-2025) ?

Math46%-14 vs state

English Language Arts44%-11 vs state

★

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Schools Near Calcium Primary School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				NY State Assessments English Language Arts (2025)				NY State Assessments Math (2025)				NY State Assessments Science (2025)	% Completely Immunized (2020)	% Polio (2020)	% Measles (2020)	% Mumps (2020)	% Rubella (2020)	% Diphtheria (2020)	% Hepatitis B (2020)	% Varicella (2020)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	NY State Assessments English Language Arts 3rd Grade	NY State Assessments English Language Arts 4th Grade	NY State Assessments English Language Arts 5th Grade	NY State Assessments English Language Arts 6th Grade	NY State Assessments Math 3rd Grade	NY State Assessments Math 4th Grade	NY State Assessments Math 5th Grade	NY State Assessments Math 6th Grade	NY State Assessments Science 5th Grade	% Completely Immunized All Grades	% Polio All Grades	% Measles All Grades	% Mumps All Grades	% Rubella All Grades	% Diphtheria All Grades	% Hepatitis B All Grades	% Varicella All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Calcium Primary School	Public	PK, KG-3	25440 Indian River Dr	Calcium	13616	Jefferson County	Indian River Central School District	No	No	No	Yes	(315) 629-1100	480	44	10.9	45.4%	261 (54.4%)	41 (8.5%)	109 (22.7%)	10 (2.1%)	0 (0.0%)	2 (0.4%)	57 (11.9%)								(n/a)	43.6				45.7					98.8	99.7	99.7	99.7	99.7	99.3	99.8	99.7	$28,056	$1,888	$26,168
Black River School	Public	PK, KG-4	160 Leray St	Black River	13612	Jefferson County	Carthage Central School District	No	No	No	Yes	(315) 773-5911	572	51	11.2	33.7%	356 (62.2%)	55 (9.6%)	108 (18.9%)	10 (1.7%)	1 (0.2%)	3 (0.5%)	39 (6.8%)	47.4	1258^th of 2445 public elementary schools	48.5%		48.4	1209^th of 2445 public elementary schools	50.6%	49	60.3	46.2			54.6	59.8				98.7	99.4	99.6	99.6	99.6	99.2	99.6	99.2	$19,835	$1,293	$18,542
Starbuck Elementary School	Public	K-4	430 E Hoard St	Watertown	13601	Jefferson County	Watertown City School District	No	No	No	Yes	(315) 785-3765	153	14	10.8	71.9%	90 (58.8%)	18 (11.8%)	17 (11.1%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	28 (18.3%)	19.1	2102^nd of 2445 public elementary schools	14.0%		9.9	2333^rd of 2445 public elementary schools	4.6%	231	31.3	35.3			43.8	41.2				99.4	100.0	99.4	99.4	99.4	99.4	100.0	99.4	$29,001	$834	$28,167
North Elementary School	Public	K-4	171 E Hoard St	Watertown	13601	Jefferson County	Watertown City School District	No	No	No	Yes	(315) 785-3750	435	35	12.5	70.6%	280 (64.4%)	16 (3.7%)	60 (13.8%)	1 (0.2%)	0 (0.0%)	0 (0.0%)	78 (17.9%)	10.8	2290^th of 2445 public elementary schools	6.3%		17.7	2128^th of 2445 public elementary schools	13.0%	162	31.5	31.4			24.7	30.6				100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	$25,327	$782	$24,545
Evans Mills Primary School	Public	PK, KG-3	8442 S Main St	Evans Mills	13637	Jefferson County	Indian River Central School District	No	No	No	Yes	(315) 629-4331	330	32	10.1	54.2%	176 (53.3%)	34 (10.3%)	75 (22.7%)	5 (1.5%)	1 (0.3%)	13 (3.9%)	26 (7.9%)								(n/a)	47.5				65.1					99.7	99.7	99.7	99.7	99.7	99.7	100.0	99.7	$28,681	$2,383	$26,297
Ohio Street School	Public	K-4	1537 Ohio St	Watertown	13601	Jefferson County	Watertown City School District	No	No	No	Yes	(315) 785-3755	308	24	12.9	78.2%	193 (62.7%)	20 (6.5%)	41 (13.3%)	1 (0.3%)	2 (0.6%)	0 (0.0%)	51 (16.6%)	6	2382^nd of 2445 public elementary schools	2.6%		12.4	2282^nd of 2445 public elementary schools	6.7%	100	19.6	18.9			31.1	22.2				99.5	100.0	100.0	100.0	100.0	99.5	100.0	100.0	$26,346	$871	$25,475
Knickerbocker School	Public	K-4	739 Knickerbocker Dr	Watertown	13601	Jefferson County	Watertown City School District	No	No	No	Yes	(315) 785-3740	340	27	12.4	67.9%	234 (68.8%)	16 (4.7%)	42 (12.4%)	5 (1.5%)	3 (0.9%)	1 (0.3%)	39 (11.5%)	20	2077^th of 2445 public elementary schools	15.1%		17.1	2144^th of 2445 public elementary schools	12.3%	67	31.0	38.6			33.3	50.0				99.5	100.0	100.0	100.0	100.0	99.7	100.0	100.0	$25,455	$759	$24,696
Sherman School	Public	K-4	836 Sherman St	Watertown	13601	Jefferson County	Watertown City School District	No	No	No	Yes	(315) 785-3760	323	22	14.4	55.7%	220 (68.1%)	24 (7.4%)	37 (11.5%)	9 (2.8%)	0 (0.0%)	0 (0.0%)	33 (10.2%)	32.3	1703^rd of 2445 public elementary schools	30.3%		40.3	1439^th of 2445 public elementary schools	41.1%	264	48.0	41.9			53.3	35.6				99.3	99.3	99.7	99.7	99.7	99.3	100.0	99.7	$23,220	$763	$22,457
Brownville School	Public	3-6	771 Main St	Brownville	13615	Jefferson County	General Brown Central School District	No	No	No	Yes	(315) 779-2300	374	34	10.8	48.9%	334 (89.3%)	10 (2.7%)	11 (2.9%)	4 (1.1%)	0 (0.0%)	0 (0.0%)	15 (4.0%)	40.4	1456^th of 2445 public elementary schools	40.4%		44.5	1301^st of 2445 public elementary schools	46.8%	155	35.0	60.2	47.7	52.5	38.2	62.7	33.7	56.7	40.5	99.8	100.0	100.0	100.0	100.0	100.0	100.0	100.0	$18,507	$1,337	$17,170
Dexter Elementary School	Public	PK, KG-2	415 E Grove St	Dexter	13634	Jefferson County	General Brown Central School District	No	No	No	Yes	(315) 779-2300	300	28	10.8	30.0%	265 (88.3%)	6 (2.0%)	11 (3.7%)	2 (0.7%)	0 (0.0%)	1 (0.3%)	15 (5.0%)								(n/a)										100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	$18,789	$1,026	$17,764

Frequently Asked Questions about Calcium Primary School

What district is Calcium Primary School in?

Indian River Central School District

What schools do graduates of Calcium Primary School attend?

Students who attend Calcium Primary School usually go on to attend:

Middle : Indian River Middle School
High : Indian River High School

How many students attend Calcium Primary School?

In the 2024-25 school year, 480 students attended Calcium Primary School.

What is the racial makeup of Calcium Primary School?

Students at Calcium Primary School are 54% White, 23% Hispanic, 12% Two or more races, 9% African American, 2% Asian.

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the WNYC and the New York State Department of Health and the NY State Education Department.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.