Contact Us



Colorado International School

Contact us by regular mail:  2443 S. University Boulevard #208, Denver, CO 80210

Contact us by telephone:  303-282-6666

Contact us by fax:  303-759-5035

Contact us via Skype:  colointernational
Office Hours: 9:00 a.m.- 12:00 p.m. Monday through Friday
School Operating Hours: 8:30 a.m. – 5:30 p.m. Monday through Friday

EIN:  20-2275758

If you are interested in attending CoIS, please contact us via the Information Request Page for best service and attention. Thank you!

2017-2018 Colorado International School Staff


Ms. Ola Alalwan, Office Manager (

Mr. Chris Deaser, Business Manager (