Designed to aid in the identification of reasons why qualified women do not pursue careers in mathematics, this study surveyed nine schools. Fourth, ninth, and twelfth grade students were selected from inner city and suburban schools. Six schools were selected for the fourth grade, and three schools were selected at the ninth and twelfth grade levels. Four girls, four teachers, and two guidance counselors at each grade level were randomly selected for interviews from the participating schools. Instruments were developed to measure confidence in doing mathematics, to measure interest in mathematics, to determine future plans to study mathematics and reasons for the decisions, and to determine career plans and reasons for the choices. The only statistically significant result from the questionnaires appeared on the question of interest at the twelfth grade level. Girls scored significantly lower than boys at the .01 level of significance. Interview question responses indicated that there is a decrease in girls' interest in mathematics and a sharp increase in societal pressure against women in mathematics during the students' high school years. (Questionnaires and interview questions which were developed for each grade level are appended.) (LRA)