This document, which is intended for high school student services personnel, administrators, and teachers, presents information that can be used to develop an efficient, coordinated, and comprehensive student services system to address the needs of diverse student populations. Chapter 1 contains background information on the following topics: definition of the term "student services"; nature, scope, and objectives of student services at the postsecondary level; and need for and models of student services programs at the secondary level. Described in chapter 2 are the following types of services considered essential to facilitating student success: basic services (counseling, food services, child care, transportation, special accommodations, safety and security, medical/nursing services, social work/social services, psychological services); preenrollment (recruitment/outreach, student assessment, orientation, career awareness/exploration); enrollment (student assessment, academic advising, career awareness/exploration, career planning, tutoring, mentoring; job placement/referral); and postenrollment (job placement, job referral, follow-up/evaluation). The components of a comprehensive student services system are detailed in chapter 3. Chapter 4 presents guidelines for developing a student services team to coordinate service development/delivery. Concluding the document is a summary in which the National Center for Research in Vocational Education's student services model is outlined. Sixty-five references are included. Appended is a sample individualized career plan. (MN)