High School Grades and Retention
An analysis was done of transcripts of graduates from three high schools in 1993 (Webb and Dowling, 1996). Those high schools were the first to begin the IMP program and some students in each graduating class were in the first IMP classes. The study found that students who began the IMP program in 9th grade took more semesters of mathematics and had higher grade point averages than those who began the algebra I program. For the IMP group, compared to students in the algebra I sequence, a higher percentage of both female and male students and students of all ethnic groups completed at least three years of college-qualifying mathematics. A significantly higher percentage of IMP students (71%) took at least one semester of advanced mathematics beyond the basic three years than did students (52%) in the algebra sequence.
At one school, test scores from middle school were available for most students, so a comparison could be done using pre-measures. The groups of 62 students each were matched according to their Comprehensive Test of Basic Skills (CTBS) scores in mathematics in the seventh grade. The non-IMP group had virtually identical scores to the IMP group and also matched them in terms of gender and ethnic make-up. Of the traditional group, 76% took algebra I in ninth grade, and progressed, in whole or in part, through the traditional sequence of Algebra I, Geometry, Algebra II and Pre calculus or Calculus, and 24% were enrolled in Basic Mathematics courses. The IMP group was composed of those students who stayed in IMP's core curriculum sequence of integrated mathematics throughout their basic three year mathematics program.
The IMP students in the matched samples took significantly more semesters of math (7.79 versus 7.44), language arts (8.60 versus 7.21), and science (5.32 verses 4.94). The overall grade point average of the IMP students was significantly higher (3.03 versus 2.74). The study also examined the records of 58 students from IMP and 60 non-IMP students who were in the upper 25th percentile on the seventh grade CTBS test (using national norms). The two groups had virtually identical seventh-grade scores. It was found that IMP students in that group had significantly higher grade point averages in high school (3.11 versus 2.68), even after mathematics grades were discounted.
High School Grades and Retention An analysis was done of transcripts of graduates from three high schools in 1993 (Webb and Dowling, 1996). Those high schools were the first to begin the IMP program and some students in each graduating class were in the first IMP classes. The study found that students who began the IMP program in 9th grade took more semesters of mathematics and had higher grade point averages than those who began the algebra I program. For the IMP group, compared to students in the algebra I sequence, a higher percentage of both female and male students and students of all ethnic groups completed at least three years of college-qualifying mathematics. A significantly higher percentage of IMP students (71%) took at least one semester of advanced mathematics beyond the basic three years than did students (52%) in the algebra sequence.At one school, test scores from middle school were available for most students, so a comparison could be done using pre-measures. The groups of 62 students each were matched according to their Comprehensive Test of Basic Skills (CTBS) scores in mathematics in the seventh grade. The non-IMP group had virtually identical scores to the IMP group and also matched them in terms of gender and ethnic make-up. Of the traditional group, 76% took algebra I in ninth grade, and progressed, in whole or in part, through the traditional sequence of Algebra I, Geometry, Algebra II and Pre calculus or Calculus, and 24% were enrolled in Basic Mathematics courses. The IMP group was composed of those students who stayed in IMP's core curriculum sequence of integrated mathematics throughout their basic three year mathematics program.The IMP students in the matched samples took significantly more semesters of math (7.79 versus 7.44), language arts (8.60 versus 7.21), and science (5.32 verses 4.94). The overall grade point average of the IMP students was significantly higher (3.03 versus 2.74). The study also examined the records of 58 students from IMP and 60 non-IMP students who were in the upper 25th percentile on the seventh grade CTBS test (using national norms). The two groups had virtually identical seventh-grade scores. It was found that IMP students in that group had significantly higher grade point averages in high school (3.11 versus 2.68), even after mathematics grades were discounted.
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