Colorado International School

4100 East Iliff Avenue, Denver, CO 80222
(303) 282-6666

(out of 10)

Private Grades PK-8 39 students 1 students/teacher (CO avg is 17)

Test Scores by grade

About this school

Colorado International School is a private middle school in Denver. The principal of Colorado International School is Cielle Amundson, whose e-mail is 39 students attend Colorado International School and are mostly Black, non-Hispanic; Multiracial; and White, non-Hispanic. The student to teacher ratio at Colorado International School is 1:1. Most Precious Blood School is one of the nearest middle schools.

Extracurricular activities


  • Band
  • Chorus
  • Dance
  • Drawing painting
  • Theater drama
  • Video film production

Languages Taught

  • Arabic
  • French
  • German
  • Italian
  • Japanese
  • Mandarin
  • Russian
  • Spanish


  • Basketball
  • Bicycling
  • Cheerleading
  • Gymnastics
  • Martial arts self defense
  • P.E. classes
  • Rock climbing
  • Soccer
  • Swimming
  • Tennis
  • Volleyball
  • Yoga

Student Ethnicities

Ethnicity School District
Black, non-Hispanic 7% %
Multiracial 7% %
White, non-Hispanic 67% %
Hispanic 20% %
Native American or Native Alaskan 0% %
Asian/Pacific Islander 0% %
Asian 0% %
Native Hawaiian or Other Pacific Islander 0% %

Community ratings & reviews

  • (1 year ago)

    I have a very positive comment for this school. With small groups kids are able to get the main thing to me which is "languages" with warm native teachers . I love the fact that there is not bulling at all. A bit concern about administration but we'll there is not such a perfect school.

  • (1 year ago)

    COIS is great school . My daugther go to the school and i cannot describe in words the excellent educations she is receiving. She is in the mandarin program and she loves to go school so much that she did cry for summer holiday.

  • (2 years ago)

    I agree wholeheartedly with the parent comments dated September 22 2012. Good concept. Childrens' welfare should be the No 1 priority. However there are problems with unfairness favortism bullying. Standards are not the same for everyone. No one to go to with concerns. So sad when our children are so important to us. s

  • (2 years ago)

    Our daughter 3 years old started at COIS last summer in the Mandarin program. We have had a great experience over the last six months at the school. Her teacher is warm caring and loving. She can already count to ten in three languages. Learning occurs thru play singing interaction and teaching - it has captivated her interest very much and she is very proud of learning another language. Finally it would not be possible to expose her to languages and cultures without an institution like COIS. As with most things there are some areas that could improve - however we are very happy at the school and would highly recommend it.

  • (2 years ago)

    As a parent I am beyond disappointed in this school. The administration is absolutely horrible to deal with! Arbitrary decisions are frequently administered regardless of previous discussions/arrangements. Professionalism at all levels is lacking as well as nurturing and supporting leadership. Yes the classes are small however prospective parents should question this very carefully. The classes are small because the school is not able to retain their students especially in languages other in German (please note that this school is the only school in Colorado to date that offers German language immersion so these parents/students have no other school options). The' upper' level classes are mixed aged classes because there are not enough students in one particular age group to fill them. For example you can have a kindergartner and second grader in a class together. Prospective parents should seriously question why there are very few students returning year to year.

  • (2 years ago)

    My song 4 yers old just started in the Mandarin program. He LOVES his teacher and within 1 week of his first day he is singing songs counting and speaking short phrases in Chinese. His desire to learn has been piqued and he asks how to say different words in Chinese almost daily! I am so excited to see how his interest to learn other cultures grows in the midst of such a caring environment.

  • (2 years ago)

    Colorado International School is a small school with small classes (6-8 children per class at elementary level) where you can get to know other parents easily and where children get individualized attention. This contrasts sharply with the 25-30 students per classroom model of public language immersion schools. COIS is a language immersion school where children do not just learn foreign languages as a separate subject but also use them as a medium in other subjects such as math science history etc. This means they are actually experiencing multilingual learning. Finally it is the only school in the entire state of Colorado that offers German language immersion for children in K-8 on a full-time basis. I'm very happy with the education my 2 children are getting in the German program at COIS. In fact this program is absolutely integral to them maintaining their German not just in terms of spoken German but in terms of reading and writing German as well.

  • (2 years ago)

    My children attend CoIS and I am thrilled with the education that they are receiving. The teachers are fantastic! They work hard to give each child individual attention giving the students the chance to learn at their own pace. Because of this individual attention most children there are doing work above their grade level. The kids are exposed to different languages and cultures daily which is so valuable as everything is becoming so global. Because of the small size of the school the kids are learning valuable social skills of how to get along with the same people daily. Their class is more like a family than a classroom. The new Head of School is wonderful! Her dedication to the school and her vision for the school's future is exciting!

  • (3 years ago)

    There needs to be an accurate review of CoIS on this site. First of all the teachers are great wonderful loving and professional. However the administration is a mess. Our family invested a couple years of our child s life in a school that has gone out of its way to treat us like dirt. One individual in particular the one who usually shows around new families has been the primary problem. She runs the school like a dictator creating and abolishing rules at will seemingly set on satisfying some pathological need for power. She is belittling to people and treats parents like naughty children. Bottom line is the school is small because it cannot get its class sizes to grow. The school tries to spin the small classes as a positive but please don t ignore this red flag. As soon as there s growth parents get so fed up from disrespectful behavior they decide to go to a more professional school. In the end you ll be forcing your child to re-adjust to a new school just to get away from CoIS. Think twice before enrolling here.

  • (3 years ago)

    I am a prospective parent and I enjoyed learning about the school on a tour today. The teachers are all engaged with the small number of children in each class. It does seem like a great place to get individual attention. I am a rather shy and observant person so I think the fact that I didn't ask many questions may have been off-putting to the person giving the tour. I actually felt somewhat attacked with a rapid stream of questions (ie why are you here you didn't ask any questions so I don't know what I can do for you etc.). Not bad questions but the manner in which they were asked was quite abrasive and only asked after the other parent left. The other parent on the tour was ready to turn in admissions paperwork and was catered to! I felt really uncomfortable like I was a waste of their time! I wanted to learn what the school was like and overall it is something I would consider but I am weary of the lack of professionalism displayed today by the person giving the tour. This does factor into the my overall impression of the school. It was just one interaction so I will keep that in mind.

  • (3 years ago)

    The teachers are fabulous. The administration is not the easiest with which to work. The parents and teachers have a common goal always. The care and education is apparent from the teachers.

  • (4 years ago)

    Our son attends CoIS and we are very pleased with the education. He is speaking spanish at home and in the classroom. The teachers are both knowledgeable and educated and provide a warm and safe environment to learn. Language immersion schools are the future in education and CoIS is at the forefront of education in America.

  • (5 years ago)

    I'm very happy with this school. It's a wonderful environment and I learn a lot by going here. I get individual attention and lots of stuff to work with. I love CoIS and it's teachers!

  • (6 years ago)

    My daughter is in her second year at COIS and loves it! Her Spanish is progressing rapidly she has made many friends and loves her teachers. As a parent I like the family feeling that the school has.

  • (7 years ago)

    Children in language immersion schools test better than children in conventional programs. However these gains are not recognized within the first three years. In fact in grades one and two children in immersion programs usually test lower than children in conventional programs because of vocabulary issues. However by grade three they are on par with their peers and by grade five exceed them. Parents who haven't done their homework sometimes get upset when their first grader comes home with lack luster standardized test scores. This is not because the school does not teach core academics. Rather it is because the child didn't know how to say parallelagram in English only in Mandarin.

  • (7 years ago)

    As another good school year draws to a close I am happy to report that I am very pleased with this school. The children get incredible attention from the teachers who are very creative and nurturing. Also I don't know where else in the city the kids could get such strong language skills. I investigated the other programs in town that have language immersion and found this one to be the clear best choice. Thanks for a great year!

  • (7 years ago)

    As a teacher I must say that there is no other place like CoIS. My colleagues and I absolutely love the environment! Walking through the hallways I am proud to be a part of such a multicultural multilingual and open-minded organization. I have never received so much support from the parent community as I do here at this school. I wouldn't dream of teaching anywhere else. I represent one of a group of 5 of us that have been with the school since its inception. We re still growing so that's about half our full-time teaching staff! The teachers here are all very special individuals that have made a strong commitment to the school. Our Board of Trustees has provided numerous opportunities for me to receive world-class training from the IB organization as well as important site visitations to other schools. I have the privilege of teaching small classes and bonding with my students in a way I never could in the public system. I encourage anyone interested to please take a closer look at CoIS. You ll be amazed!

  • (7 years ago)

    We have enjoyed what the CoIS staff and teachers have brought to our child s development. The curriculum is engaging and fun and this school is also a candidate for International Baccalaureate accreditation. Our child thrives on the positive learning environment. They introduce children to the larger outside world with thoughtful age-appropriate art exhibits field trips and enrichment programs that truly prepares them for a global future. The multiple rants of one other parent are devoid of understanding how the school always presents materials in an appropriate context to our children.

  • (7 years ago)

    We are unhappy with how the teachers are treated and how the students have few materials. The recent controversial exhibit also strongly disturbed us.

  • (7 years ago)

    The school is comparatively behind in 'core skill' development. They are massively under-funded so cut corners whenever possible. The teachers are unhappy. The Board seems to micromanage the school. They also promoted a controversial exhibit dealing with Iraqi children killed by US soldiers.

See all reviews on GreatSchools

Overall score

(based on 24 ratings & reviews)

  • Teacher quality
  • Principal leadership
  • Parent involvement


Elementary Schools

Middle Schools

High Schools