What should a school leader remind a teacher who is using a district computer for personal purposes during instructional time?

The correct choice emphasizes the importance of adhering to district policies regarding the use of school resources. It serves as a reminder that district computers are intended solely for educational purposes, which reinforces the expectation that teachers use their time and resources in a manner that supports student learning and instructional effectiveness.

By reminding the teacher of this guideline, the school leader helps maintain a focused learning environment and ensures that technology is utilized to enhance the educational experience. Using district resources for personal purposes during instructional time can detract from a teacher's ability to engage with students and fulfill their professional responsibilities, which ultimately impacts the quality of education provided.

In this context, the other options would not be appropriate as they either do not address the core issue of resource allocation or suggest behaviors that could be detrimental to the instructional environment. For instance, suggesting the teacher access personal files after hours could inadvertently condone using school resources for non-educational purposes during school hours.