Enrollment
236
Elementary
DISTRICT 333 · STATE 405
SCHOOL COMMUNITY·JEFFERSON TOWNSHIP PUBLIC SCHOOL DISTRICT·NCES 340780004270
Cozy Lake Elementary School
205 COZY LAKE ROAD, OAK RIDGE, NJ 07438 · (973) 697-4777 · Morris County
GRADES PK–KGELEMENTARY31-TOWNREGULAR SCHOOL236 STUDENTS
·
allk12 Grade
Not graded
This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work
Student : Teacher
11.4:1
21 FTE teachers
DISTRICT 11.2:1 · STATE 11.4:1
Free / Reduced Lunch
12%
28 students
DISTRICT 16% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 159 | 67% |
| Kindergarten | 77 | 33% |
Student demographics
37%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 44% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Cozy Lake Elementary School→White Rock Elementary School→Jefferson Township Middle School→Jefferson Township High School
Based on grade levels within Jefferson Township Public School District. Attendance zones can vary; confirm enrollment with the district.
Schools most like Cozy Lake Elementary School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Cozy Lake Elementary School this school | 236 | 11.9% | N/A |
| Lincoln Elementary School CALDWELL | 253 | 14.2% | 58.6% |
| Mohawk Avenue School Sparta | 236 | 9.7% | 55.2% |
| Gillette Elementary School Gillette | 215 | 10.2% | N/A |
| Eleanor G. Hewitt RINGWOOD | 208 | 12.5% | 55.1% |
| Fredon Township School NEWTON | 203 | 12.8% | 52.2% |
Matched among New Jersey elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Cozy Lake Elementary School ranks
Among elementary schools| Measure | This school | In New Jersey | In Morris County |
|---|---|---|---|
| Enrollment ranked largest first | 236 | #1,322 of 1,562 | #86 of 92 |
| Students per teacher ranked fewest first | 11.4:1 | #724 of 1,390 | #64 of 89 |
| Diversity index ranked most diverse first | 37.1% | #1,113 of 1,392 | #77 of 89 |
| Free and reduced lunch ranked highest share first | 11.9% | #1,205 of 1,481 | #47 of 90 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
236
+74 (+46%) vs 2020
+72% since 1990-91, when it was 137
Student : Teacher
11.4:1
was 10.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 236 | 20.6 | 11.4:1 | 12% (28) |
| 2023-24 | 211 | 19.2 | 11.0:1 | 15% (31) |
| 2022-23 | 211 | 18.2 | 11.6:1 | 10% (22) |
| 2020-21 | 162 | 15 | 10.8:1 | 9% (14) |
| 2017-18 | 187 | 16 | 11.7:1 | 8% (15) |
| 2015-16 | 205 | 16 | 12.8:1 | 9% (19) |
| 2010-11 | 148 | 13 | 11.4:1 | 0% (0) |
| 2000-01 | 306 | 18 | 17.0:1 | 6% (19) |
| 1990-91 | 137 | 7 | 19.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Cozy Lake Elementary School.
Since 2017-18: students up 26% (187 to 236); teachers up 29% (16 to 20.6).
About Cozy Lake Elementary School
As a small elementary school, Cozy Lake Elementary School serves students in OAK RIDGE, New Jersey. The school's 236 students are in pre-K through kindergarten. Enrollment is 42% lower than the average for elementary schools in New Jersey, which is about 405.
Cozy Lake Elementary School is a school in Jefferson Township Public School District. The district has 6 schools and 2,642 students.
White students make up a majority at Cozy Lake Elementary School, at 78%. Next come 16% Hispanic, 3% multiracial, and 2% Asian. That compares with about 68% White among all Morris County residents. The school's diversity index is 37%, meaning two students picked at random have a 37% chance of belonging to different racial or ethnic groups.
Teachers at Cozy Lake Elementary School total 20.6 full-time equivalents, and the ratio is 11.4:1. For comparison, elementary schools in New Jersey average 11.4:1. The school counts 28 students as eligible for free or reduced-price lunch, or 12%.
Federal survey data for Morris County show that the median household income is $137,326, about 58% of adults have at least a bachelor's degree, and the poverty rate is about 3%. Morris County is home to 156 public schools and about 72,239 public school students.
White Rock Elementary School is the nearest neighboring public school, about 1.0 miles away. The five-mile area around Cozy Lake Elementary School holds 6 other public schools.
Cozy Lake Elementary School falls in the Town: Fringe locale category, used for schools in a town close to an urbanized area.
The 2020-21 count was 162 students and the 2024-25 count was 236. A difference that large may reflect a change in which grades the school serves.
Discussions about Cozy Lake Elementary School may include science fairs, picture day, and bus routes. Alumni can share how the school prepared them.
Morris County at a glance
View full county profilePopulation
514,528
Census ACS
Median income
$137,326
Household, ACS
Bachelor's+
58%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
156
72,239 students
Quick facts
Related schools
Other schools in Jefferson Township Public School District
- Jefferson Township High SchoolHigh · 761 students
- Jefferson Township Middle SchoolMiddle · 550 students
- White Rock Elementary SchoolElementary · 481 students
- Arthur Stanlick Elementary SchoolElementary · 388 students
- Ellen T. Briggs Elementary SchoolElementary · 226 students
Other schools in OAK RIDGE
- Jefferson Township High SchoolHigh · 761 students
- Jefferson Township Middle SchoolMiddle · 550 students
- White Rock Elementary SchoolElementary · 481 students
- Paradise Knoll Elementary SchoolElementary · 196 students
- Academy for Environmental ScienceHigh · 36 students
Nearby schools
- White Rock Elementary School1.0 mi · 481
- Paradise Knoll Elementary School2.8 mi · 196
- Jefferson Township High School3.0 mi · 761
- Academy for Environmental Science3.0 mi · 36
- Jefferson Township Middle School3.1 mi · 550
- Katharine D Malone Elementary School4.3 mi · 303
Frequently asked questions
About Cozy Lake Elementary SchoolHow many students attend Cozy Lake Elementary School?
Cozy Lake Elementary School enrolls approximately 236 students in grades PK-KG.
What grades does Cozy Lake Elementary School serve?
Cozy Lake Elementary School serves grades PK-KG.
How many students per teacher at Cozy Lake Elementary School?
Approximately 11.4:1 students per teacher at Cozy Lake Elementary School.
How diverse is Cozy Lake Elementary School?
Cozy Lake Elementary School reports a student body of 78% White, 16% Hispanic, 2% Black, 2% Asian, 3% Two or more.
Is Cozy Lake Elementary School public or private?
Cozy Lake Elementary School is a public K-12 school, overseen by Jefferson Township Public School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.