Since its inception in 2004, Mainstream Development Education Group (Mainstream) has specialized in serving large school districts, delivering highly effective, customized academic support services. Mainstream facilitates direct academic instruction for struggling students, professional development services for teachers and administrators, parent engagement programming, and quality customer support services.
| Website | http://www.mdegedu.com |
| Revenue | $7 million |
| Employees | 30 (11 on RocketReach) |
| Founded | 2004 |
| Address | 6924 N Port Washington Rd, Glendale, Wisconsin 53217, US |
| Phone | +1 414-371-9724 |
| Technologies |
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| Industry | Education, Education General |
| Keywords | Education, Educational Services, Academic Support, Tutoring, Test Preparation, K12 Education, School Support Services, Curriculum Development, Instructional Design, Teacher Training, Student Achievement, Educational Consulting, Special Education, Online Tutoring, After School Programs, Summer Programs, Educational Technology, Assessment, Personalized Learning, Professional Development |
| Competitors | HigherSchool, Center for Student Learning CS Pennsbury, HELLGATE ELEMENTARY SCHOOL DISTRICT #4, Arlington HS, Academy of Personalized Learning (view competitors) |
| SIC | SIC Code 829 Companies, SIC Code 82 Companies |
| NAICS | NAICS Code 611 Companies, NAICS Code 6117 Companies, NAICS Code 61 Companies |
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MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC Questions
The MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC annual revenue was $7 million in 2026.
Heather Clifton is the Director of Administration of MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC.
11 people are employed at MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC.
MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC is based in Glendale, Wisconsin.
The NAICS codes for MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC are [611, 6117, 61].
The SIC codes for MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC are [829, 82].
Top MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC Employees
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35+ -
Helen Coley
Educational Director at MAINSTREAM DEVELOPMENT EDUCATIONAL GROUP, LLC
Upper Marlboro, MD, US -
21
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