This report presents a variety of statistical and financial data on Colorado's public schools, as required by the Colorado School Laws, Chapter 123-1-13(1). This volume is the 1973 edition of the report, which presents data up through the 1971-72 school year. Included in the report are (1) a series of graphs summarizing significant statewide data for the period 1962-63 through 1971-72, (2) individual one-page statistical profiles that present basic data for each school district in the state and compare these data with state and group averages, (3) additional selected information on each school district, (4) a summary of group achievement test results for each school in the state for the years 1969-70 through 1971-72, and (5) a table summarizing financial receipts and expenditures for each school district during 1971-72. (JG)