What are school hours?

Preschool 8:30-11:30 AM; 12:30-3:30 PM
Kindergarten half day - 8:30-11:30 AM; full day 8:30-3:25
Elementary: 8:30 AM-3:25 PM
Secondary: 8:30 AM-3:35 PM

How will I know about school closures?

See the "Snow and School Closures" link on the front page of the website, or follow the news on one of the below stations:

Television Stations 

KWGN (WB2) Channel 2 
KCNC (CNS) Channel 4 
KMGH (ABC) Channel 7 
KUSA (NBC) Channel 9 
KDVR (FOX 31) Channel 13 
KMAS Spanish Channel 60, 63, or 67 

Radio Stations 
KHOW 630 AM 
KOA 850 AM 
KYGO 98.5 FM 
KCKK 1600 AM 
KOSI 101.1 FM 
KBNO 1280 AM Spanish

What do I do if my child is going to be late or absent?

If your child will be late or absent, please call the attendance line, 303-982-7053 by 10:00 AM. 
*PLEASE NOTE: If your child is late, they MUST check in at the FRONT OFFICE. Please do not send your child directly to class without checking in or they will be marked absent. Any time students leave campus during the school day, except with a class, they must also sign out in the front office. They will need to indicate who they are with and when they expect to return.

How do I contact a staff member?

All staff emails may be accessed by clicking on "Staff Directory" under the "Community" tab on this site. In addition, the following information can be obtained by dialing 303-982-7050: 

Staff Members 
School Announcements 
Lunch Menu (Munchie) 
School District Announcements 
Enrollment and School Information 

How can I obtain fee information?

For fee information, please contact the financial secretary, Sharon Ossello at 303-982-7072 or sossello@jeffco.k12.co.us

How do I purchase a yearbook?

The JCOS Yearbook is produced each year by the yearbook class. It relies solely on the financial support of the community through yearbook purchases and ad sales. The cost of the yearbook is $40 when ordered in advance. After September 30, yearbooks are available on a first come, first served basis at $45 each. Please see Sharon Ossello, Financial Secretary, to order your copy.

What is your visitor policy?

Visitors are always welcome! They should make prior arrangements and, by state law, always need to check in at the office. Students need permission from their advisor to have another student from outside the school visit. Parents are always welcome.

Is there bus service provided at JCOS?

Bus transportation to Jefferson County Open School is extremely limited. Please visit the Jefferson County School web page to see the current listing of collection points and times. Transportation home at 11:30 AM for kindergarten students is not available, but they can ride the bus in the mornings. Please do not have your children arrive at a bus stop until 5–10 minutes before their pickup time. If there is a problem with the bus schedule that involves safety issues, please contact the school. Bus schedules are available in the office or on the district website at http://www.jeffcopublicschools.org/transportation/fees_faq.html

How do I pick up, drop off and park at JCOS?

You may pick up and drop off your child in the loading zones in front of the school or at the west end of the school.  Parking is available at the far west dirt parking lot. Please be aware that U-turns are not permitted in school zones. 

How do I register at JCOS?

Aspiring new students must first contact the school office to begin the choice enrollment process which includes attending an evening information night, a follow-up day visit, and completing an application. In addition, there may be more requirements, so be sure to check the website for the most current information. For questions, contact the school office at 303-982-7045.  Enrollment information is found under the enrollment tab on this website.

Is there before and after school care at JCOS?

Yes, the YMCA provides before and after school care at Slater Elementary.  The YMCA transports Open School students to and from The Open School. For more information please contact Darren Krishe at 303-945-1512.

I am interested in employment at JCOS, where do I look for job openings?

For job opportunities please refer to our district site at www.jeffcopublicschools.org