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The Effects of Part-Time Jobs on Grades

What are the effects of part-time jobs on grades: opinions and scientific literature review.

Getting a part-time job is one of the first steps many students take when they start college. It’s a great way to make some extra money and build your resume.

However, part-time jobs can be time consuming and studying require serious dedication. So what are the effects of a part-time job on grades?

Opinions of teachers

Teach-nology asked 1500 teachers if having a part-time job affects academic performance. The survey has a very clear interpretation: most teachers think part-time jobs hurt academic performance.

The number of teachers who felt that working has no effect is less than 20%. This is because some students spend very little time studying so the hours they spend working has little or no effect on academic performance. These students are in the minority, so it makes sense that this category received the fewest votes in the poll.

Another interesting finding is that more teachers felt that a part-time job improved performance than those who felt it had no effect all. This is because some teachers think that when students become responsible enough to hold down a job; They can transfer this new attitude towards their studies and improve their grades.

Scientific literature review

A quick review of the scientific literature reveals that the number of hours worked per week is the most important factor at play. The table below summarizes the effect of part-time jobs on grades:

Number of hours worked per weekEffect on grades
Less than 10 hoursNo effect/Positive effect
11-15 hoursNo effect
15-20 hoursNegative effect
Over 20 hoursVery negative effect

In more detail, here are the scientific publications on the topic:

  • Bureau of Labor Statistics: Students who worked less than 20 hours per week had an average GPA of 3.13, while nonworking students had an average GDP of 3.04. The research shows that students who worked over 20 hours a week had much lower grade point averages — 2.95 on average.
  • International Journal of Business Administration: An interesting finding of the study is that work has a positive effect on both satisfaction and GPA when students work fewer than 10 hours. Thus, part-job may not always be detrimental to students’ satisfaction. However, when students work for over 11 hours a week, students’ satisfaction and GPA declined.
  • National Center for Education Statistics: As students work longer hours, they achieve at lower levels academically and are less likely to engage in extracurricular activities.


It is generally accepted that part-time jobs have a negative effect on student grades. This is especially true if the student has to work over 20 hours a week.

However, part-time jobs can have a positive effect on both satisfaction and GPA, provided that students work fewer than 10 hours a week. In this case, part-time jobs are a great opportunity to transfer a professional attitude towards academic studies.

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