Title: Trends in academic progress
Subtitle: achievement of U.S. students in science, 1969-70 to 1990, mathematics, 1973 to 1990, reading, 1971 to 1990,  writing, 1984 to 1990
Subjects: Statistics, Academic achievement, Achievement tests, National Assessment of Educational Progress (Project), Education, American students, Rating of, Educational evaluation
Places: United States