At least once a month, I get a call from an educator asking what percentage of the budget should the school system allocate to professional learning. In the most distressing cases, the caller is facing a budget cut and is seeking a rationale to fight to keep the budget allocated to professional learning. In more positive cases, the person is developing a strategy for increasing the budget for professional learning. Unfortunately, there is not a definitive answer to the question (read the article I wrote with Joellen Killion on p. 10 about the complexities of this question). But one thing I am sure about: Whatever information the person provides had better include answers to the following questions. On the income side What is our current