Time to set up or trouble-shoot DLRs for use
Student lack of home access — other
Student lack of home access — limited internet capacity
Time to learn to use DLRs
Lack of knowledge of available DLRs and how to choose
Lack of professional development on specific DLR use
Difficulty in finding DLRs appropriate to student needs
Lack of in-class support on using DLRs for instruction
Lack of language suppor for EL students
Students' low level of technology skills
Limited number of licenses in school or district
Insufficient reliability of access to the Internet
Insufficient Internet capacity
District or school policy related to DLR use
Lack of principal's support for use of DLRs
