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Ranked 209 of 239 in Colorado
Top schools in LakewoodRanked 209 of 239 in Colorado
See top schools in LakewoodJefferson County Open Elementary School (JCOS) is a PK-6 school in Lakewood, Colorado, with 239 students. JCOS is ranked #57 in the Jefferson County School District R-1 Elementary Schools. JCOS uses a progressive, experiential learning framework. It values multi-age classrooms and personalized learning through an advising model (JCOS, n.d.). At JCOS, 22% of students are proficient in math, and 52% are proficient in reading. ECSE reports that 26% of students are classified as minorities, and 38% are economically disadvantaged. The student population is 47% female and 53% male. Students receive instruction from 16 full-time equivalent teachers (Teachers Report, n.d.), resulting in a superior 15:1 student-teacher ratio, higher than the district average. JCOS promotes real-world learning through educational trips, experience-based clubs and projects, and direct community programs. This approach helps develop children into successful lifelong learners. Its innovative model serves as an example for parents exploring the prominent elementary school in Colorado and opportunities. It also demonstrates the benefits of interest-based, community-engaged learning.
315 Students
With a student-teacher ratio of 15 : 1
25%
Percentage of minority students
316 : 1
Student to counselor ratio
New Playground Name
We are so excited to announce the name of our new playground! Following a school-wide and Robinson community vote we narrowed a large list of names down to four. Since our students will be using the playground on a daily basis, we gave them the final vote! 476.....
Read MoreMansfield Public Schools Educator Spotlight: Pathways of a Fourth-Grade Teacher
MANSFIELD — Inside the brick building on East Street, four educators who began teaching within 2 years of each other, all spending the beginning of their careers teaching fourth grade at Jordan/Jackson Elementary School...
Read MoreAll Grades: 8:30 AM - 3:30 PM
Dismissal Time: 12:15 PM
Note: Doors open at 8:15 AM for student arrival. Please refer to the school calendar for specific early dismissal dates.
Information coming soon
September to June
School session starts in September 1st week and ends in June 3rd week. For exact dates, please contact the school.
Being Updated
The Jefferson County Open School (JCOS) Elementary in Lakewood, Colorado Walkabout 101 Field Trip: Is scheduled for Saturday, October 4, 2025 from 10:30 AM to 1:00 PM. This trip is part of the school's experiential learning!
Q: How would you state the main ideas of Jefferson County Open Elementary School?
A: Jefferson County Open Elementary School is an alternative school that uses an open-classroom model. The school stresses student-led learning, classrooms with mixed age groups, and a cooperative community.
Q: How do the multi-age classrooms work?
A: Rather than classes sorted by grade, Jefferson County Open Elementary School groups students into mixed-age classrooms (like K-1, 2-3). This lets students learn from one another and makes the learning setting adaptable.
Q: What do parents do at Jefferson County Open Elementary School?
A: Parents are very involved at Jefferson County Open Elementary School. They are asked to volunteer in class and at school functions on a regular basis, which helps build a collaborative learning space.
Q: How are classes taught at Jefferson County Open Elementary School?
A: At Jefferson County Open Elementary School, classes are based on asking questions and doing projects. The courses are made fit each student's specific needs. The goal is real understanding instead of just memorizing facts.
Q: What community gatherings occur at Jefferson County Open Elementary School?
A: Jefferson County Open Elementary School puts on many community gatherings, such as camping, shared meals, and group work days with families. These things help create a strong school community.
Note: Schedules may change during school holidays. Please contact School for exact Schedule.
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