Homework Doesn't Improve Student Course Grades, But Could Boost Standardized Test Scores: Study There has been much debate surround the value of homework, and a recent study led by an Indiana University School of Education faculty member has found little correlation between time spent on homework and better course grades for math and science students. Study says homework doesn't help students score better grades. Visit TOI daily & earn TimesPoints! According to the study carried out by University of Virginia researchers - one in which they. Study says homework doesn't help students score better grades one in which they looked at the transcripts and grades of more than 18, Xth grade students - homework doesn't necessarily help. Students improved help in 2nd grade did better homework doesn't help grades on math, 3rd and 4th graders did better on English skills and vocabulary, 5th graders on social studies, article source .