The enrollment work of higher vocational colleges is an important part of a school’s strategic decision-making. Developing a reasonable enrollment plan is highly important for a school’s development. Previous enrollment information contains extensive valuable information, which should be used by adopting effective methods of data processing. This study used an improved Apriori algorithm to mine the association rules of enrollment information to obtain the factors that affect enrollment. A higher vocational college in Qingdao was taken as the object of study. Three attributes were selected for association rule mining: college entrance exam results, applied majors, and student background. It was found that student registration rates were significantly different under different rules. The data mining results can provide policy support for future enrollment plans.

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