1. Technology
   1. C-Print
   2. Tablet Laptops
   3. Video
   4. Blogs
   5. Interactive links
2. Site
   1. Home Based
   2. Portable
   3. Brick and Mortar
3. Community
   1. Inclusive
   2. Navigators
   3. Culture
4. Teachers
   1. Teachers Aides
   2. Interpreters
   3. Multigraded
5. Training programs
   1. Curriculum Philosopy
   2. Pedagogy
6. Instructional Mode
   1. Oral
   2. Manual
   3. Comprehensive
   4. Direct or Indirect
7. Funding
   1. Perspmme;
   2. Research
   3. Facilities
   4. Enrollment age
   5. Length of school year
8. Students
   1. Time on task
   2. Cohort approach
   3. Language fluency
   4. Bimodal status
   5. Social skills
   6. Identity
   7. Values and committment