Mona Toncheff, an education consultant and author, worked as both a mathematics teacher and a mathematics specialist for the Phoenix Union High School District in Arizona. In the latter role, she coached and provided professional development to high school teachers and administrators related to quality mathematics teaching and learning and working in effective collaborative teams. She currently serves as a supervisor teacher for the University of Arizona Teach Program.
Mona has supervised the culture change from teacher isolation to professional learning communities, creating articulated standards and relevant district common assessments and providing ongoing professional development on best practices, equity and access, technology, response to intervention, high-quality grading practices, and assessment for learning.
As a writer and consultant, Mona works with educators and leaders nationwide to build collaborative teams, empowering them with effective strategies for aligning curriculum, instruction, and assessment to ensure all students receive high-quality mathematics instruction.
Mona is currently an active member of the NCSM: Leadership in Mathematics Education board and has served NCSM in the roles of secretary (2007–2008), director of Western Region 1 (2012–2015), second vice-president (2015–2016), first vice-president (2016–2017), marketing and E-news editor (2017–2018), president-elect (2018–2019), and president (2019–2021). In addition to her work with NCSM, Mona has served as the president of Arizona Mathematics Leaders (2016–2018) and is the current past president. She was named 2009 Phoenix Union High School District Teacher of the Year, and in 2014, she received the Copper Apple Award for leadership in mathematics from the Arizona Association of Teachers of Mathematics.
Mona earned a bachelor of science from Arizona State University and a master of education in educational leadership from Northern Arizona University.