This curriculum review presents and comments on state and county trends in the curriculum offerings of Oklahoma secondary schools. For comparison, it provides the secondary level curriculum offered by each secondary school in the state. Vocational education offerings are not included. The state mandates four units of English, two of mathematics, one of American History, one-half unit of Oklahoma history, two units of science, one-half unit of world history, and ten units of other course work. Local boards of education have chosen to enact additional graduation requirements, and schools offer a number of courses beyond these. The number of courses that are offered is presented in this review. Cleveland County offered 59.6 units, while Tillman County, at the other end of the scale, offered 25.5 units. Three charts and two tables present statewide summaries. Units for each school are presented in tabular form (465 tables). (SLD)