A school leader in an urban high school observes that dropout rates have steadily increased over the last three years. Further investigation reveals that many students are dropping out because they are unable to retake the courses they have failed before they reach the high school age cut-off. Which of the following is the leader's best action for addressing the situation for these students? a) Ignoring the issue as it is a common occurrence b) Establishing an online credit recovery option that enables failing seniors to retake courses at their own pace c) Implementing stricter attendance policies to prevent dropouts d) Punishing students for failing courses