SMART TUITION, a developer of payment software and services used primarily by private and religious schools, has agreed to be acquired by Charleston, SC-based Blackbaud for $190 million. Founded in 1981, Blackbaud offers a variety of data and financial services for nearly 30,000 schools and nonprofit organizations. Its education products include enrollment, content and community management, and fundraising tools. Smart Tuition has been used by “thousands of schools and over 300,00 families” since its launch in 1989, according to the release.