This study focuses on the informatization construction of ideological education, which is carried out in two modules, namely, teaching management and student education evaluation. Apriori algorithm in association rules is adopted in teaching management to improve teaching efficiency. Principal component analysis is introduced to construct a comprehensive evaluation model for student education evaluation, and SPSS software is used for dimensionality reduction to simplify the evaluation indexes. Further, this paper analyzes the status quo and challenges of the informatization of Civic Education in colleges and universities, and puts forward a specific path of informatization construction. To verify the effectiveness of the teaching method, a controlled experiment was set up, and through three months of practical teaching, the experimental group showed significant improvement in the Civic and Political scores and core dimensions, such as family and national sentiment and political identity. The results show that the informatization teaching practice has significant effectiveness in Civics education.