This booklet provides suggestions for possible sources of information for each of the student performance indicators listed in the National Center on Educational Outcomes' conceptual model for eighth-grade students, including students with disabilities. The model has eight outcome domains, each with several outcomes and indicators of outcomes. For each of the 73 indicators, several possible sources of information are listed. The eight outcome domains are: (1) presence and participation; (2) family involvement/accommodation and adaptation; (3) physical health; (4) responsibility and independence; (5) contribution and citizenship; (6) academic and functional literacy; (7) personal and social adjustment; and (8) satisfaction. Typical sources of information suggested are school or district statistics, attendance records, parent interviews, health screenings, teacher observations, test performance, student interviews, and student focus groups. (Contains 14 references.) (DB)