The "Using High School Data to Explore Early College Success on Pohnpei, Federated States of Micronesia" study examined high school academic preparation characteristics and college student characteristics to determine whether they are associated with five early college success outcomes: College of Micronesia--FSM Entrance Test result; placement in credit-bearing math, reading, and writing courses; and persistence to a second year. The study found that high school grade point average was positively associated with all five outcomes. Students who were enrolled in the high school academic coursework track were more likely than students who were enrolled in the business and vocational tracks to be admitted to a degree program and to enroll in credit-bearing reading courses. College students who first enrolled at the College of Micronesia--FSM in the summer term immediately after high school graduation were more likely to persist to a second year than those who first enrolled in the fall term. This document presents the following four appendixes that accompany the study: (1) About the study; (2) Methods; (3) Supporting analysis; and (4) Sensitivity analyses. [For the full report, see ED613208. For the Study Snapshot, see ED613214. For the Study Brief, see ED613212.]