Twelve tables present data concerning the salaries and characteristics of school certified personnel in Colorado as of fall 1990. The average salary for Colorado's 32,342 public school teachers was $31,819 in 1990, which represents a slight increase over the 1989 figure ($30,758). The number of classroom teachers had increased slightly to 32,342; this represents a 1.2% increase since 1989, while the student membership increased 2.0% for that same period. Females represented 69.8% of the total number of teachers, 34.6% of the total number of principals, and 4.6% of the total number of superintendents. Members of minority groups represented 9.2% of the total number of teachers. Sixty-three percent of all classroom teachers were 40 years of age or older. Lists of school districts, definitions used in the tables, and data sources are included. One bar graph is provided. (SLD)