Cross Cultural Developmental Educational Services

Educational Consulting for Today's Schools


Specializing in Special Education, MTSS/RTI, ELL, and Gifted Education 

CCDES is a company founded by Dr. Catherine Collier in 1987 to provide services and products for improving the education of culturally and linguistically diverse learners with learning and behavior challenges.  Dr. Sheri Collier, Catherine's niece, started assisting with presentations, products, and workshops in the early 2000's and is working to bring a gifted education focus to the business. 

Headquartered in suburbs of Denver, Colorado, CCDES specializes in bringing you the services, support, and expertise you need. Whether you represent a school or a district, or if you are a teacher or a principal, CCDES can deliver workshops remotely or in-person as well as provide hands-on instruction on the tools and processes we provide. We bring extensive experience and professionalism to every customer and customize our support to your individual needs and concerns.

Get in touch with us to set up a consultation, or use the contact form at the bottom of this page to find out if our services are right for you.




13488 Vine St
Thornton, CO 80241


(303) 378-8090



                                               Products and Services Overview

Workshops and trainings

Our training focuses on helping educators prepare and respond to the changes and challenges in today’s classrooms.  We bring the same focus to our training that we see effective teachers using in their classrooms by making our training hands on, practical, relevant, and most of all fun.  Use the contact us form at the bottom of the page to request your date today! 

Education is the most powerful weapon which you can use to change the world.
— Nelson Mandela


Hire us to evaluate your gifted, LEP or Sped/LEP service program.  Whether it as a result of a federal grant to implement a specific federally funded project or to aid you in evaluating the effectiveness of you current program, we will work with you to design and implement an evaluation that not only meets your evaluation needs but also provides you with relevant information to make wise decision as to your future program changes.   

proposal development

You can hire us to assist in writing proposals for grants from foundation, state, or federal sources.  We have a track record of 12 million dollars in successful grants for schools, districts, colleges, and private organizations.  We charge a flat, affordable fee on a sliding scale that depends on our level of assistance from editing to full writing.


Our product line parallels the services we provide.  So whether you need information or screening tools, games for LEP student or aid on grant writing, we have something for you.

technical assistance

We can provide technical assistance to your entire district or to an individual site regarding program development, curriculum development, or program restructuring.  As well as, aid with the implementation of a project grant.


Let's Talk.

Use the form below to contact us if you have a question or a comment. Please be as detailed as possible. If you'd like to schedule Dr. Collier for a presentation, please include the requested dates and location. You may also email or call us.

For sales, please email us with the product(s) and quantity you need. 

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Please do not include confidential or sensitive information in your message.