Trends in academic progress: achievement of U.S. students in Science, 1969-70 to 1990; Mathematics, 1973 to 1990; Reading, 1971 to 1990; and Writing, 1984 to 1990.
Publisher: USGPO
Published: 1991
Place of publication: Washington
Language: eng
Subjects: Academic achievement -- United States -- Statistics.; Education -- United States -- Statistics.
Notes: Includes Bibliographical references.

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