The National Early Intervention Longitudinal Study (NEILS)
Pre-Elementary Education Longitudinal Study (PEELS)
NLTS2: National Longitudinal Transition Study-2 (NLTS-2)
SPeNSE: Study of Personnel Needs in Special Education (SPeNSE)-- Data tables available
State and Local Implementation of IDEA (SLIIDEA)
Special Education Elementary Longitudinal Study (SEELS)
Special Education Expenditure Project
