This revenue planning tool aims to help charter school operators develop a sound revenue base that can meet their school's current and future funding needs. It helps identify and assess potential public (federal, state, and local) and private funding sources. The tool incorporates a four-step revenue planning process which includes: (1) Establishing a planning team; (2) Defining the school's funding needs; (3) Gathering resources; and (4) Analyzing the funding streams. The tool also includes three worksheets to help charter school leaders gather and organize information for analysis. Each worksheet includes step-by-step instructions and tips to make the revenue planning process easier and more effective. Worksheet A helps define and prioritize a school's current and future funding needs. Worksheet B assists in collecting and organizing information about public and private funding sources that can support charter schools. Worksheet C aids in evaluating which available funding sources are most appropriate for the specific needs of a charter school and whether the funding is worth pursuing. [The National Resource Center on Charter School Finance and Governance is a collaborative effort of The Center on Educational Governance at the University of Southern California, The Finance Project, and WestEd.]