The Board of Education of the Houston Independent School District, through the Volunteers in Public Schools, organized the Kindergarten Screening Project in 1970. The Kindergarten Screening Instrument (KSI) consists of five sub-scales: (1) the visual scale measures visual acuity at 20 feet; (2) the hearing scale measures the child's ability to hear tape recorded words; (3) the eye-hand coordination scale indicates the coordination of visual perception and fine muscles; (4) the language learning scale is a measure of language development in the child's primary language; and (5) the gross motor scale measures the use of large muscles in coordinated body movement. Both English and Spanish versions are available. This technical manual presents data on the reliability of the KSI (split-half reliability, internal consistency, test-retest reliability, inter-scorer reliability, and its validity (content validity, criterion-related predictive validity, criterion-related concurrent validity, construct validity, convergent, and discriminant validity). Information is also included on norms, intercorrelation of the subtests, and referrals by sex and ethnic group. (Author/BW)