Our Team

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Anne-Marie (M.Ed. Instructional Leadership, B.A. Humanities) developed a passion for elementary math while teaching and coaching for more than 15 years in San Francisco Bay Area public schools. She has worked mostly in intermediate grades, including multi-grade classrooms and core math/science teaching assignments. She studied Math Instructional Coaching with the Silicon Valley Math Institute, US Department of Education’s Teach to Lead Summit, and the Reach Institute for School Leadership.    

Some of Anne-Marie's most satisfying school years were spent mentoring student teachers and coaching fellow elementary educators with 1-30 years of experience. Her master’s action research and field work focused on coaching teachers to foster productive, collaborative math discourse and activities among students. In her own classroom, she found great success turning around students with math anxiety by integrating writing, art, science, and games into the mathematics curriculum to keep her kids (and herself!) engaged and motivated to learn.  

In her role as Math Instructional Coach, Anne-Marie collaborates with individual teachers, grade level teams, and grade span teams at MasterTrack schools to plan instruction that will help students recoup unfinished learning and help teachers meet the varying needs of their diverse learners.   

Jessica Sprague (M.S.E. Curriculum & Instruction, B.A. English) spent 30 years as an elementary school teacher in the San Francisco Bay Area. Additionally, she coached elementary teacher candidates for Mills College. During her tenure as a public-school teacher, Jessica also served as a math interventionist for students in grades 1-5. She has completed further training in gifted and cross-cultural education. 

The “what and how” of teaching, matching the most effective content and strategy to each learner, has been an ongoing motivation throughout Jessica’s education career. Empowering learners to confidently face challenges and leverage their skills is at the core of her pedagogy. As a classroom teacher, she developed a system of “focus groups” to differentiate learning and relied heavily on the consistent collection of formative data to target instruction and track progress. As a math interventionist, she provided small group support and participated in lesson-study PLCs in both primary and elementary settings. 

As a MasterTrack Instructional Coach, Jessica collaborates with educators and administrators to more effectively meet the foundational math learning needs of all students. She greatly enjoys learning about, and working with, the unique profiles and needs of each school, teacher, and student. 

Maria Radtke has spent 17 years in education as both a homeroom teacher and as a math resource specialist for grades K-6.  Her degrees include a BA in History, a Master of Education in Reading and Literacy, and a Master of Arts in Math Education K-6, as well as teaching certificate in Washington state.  She uses her knowledge of reading and writing and applies those directly in the math classroom to help students better communicate their thinking. 

Maria’s daily work involves supporting teachers with instructional strategies and curriculum planning, as well as working with students in small learning groups. During her time as a math teacher, Maria has implemented standards-based math assessments, helped further develop the math component within STEM instruction and led professional development on best practices in her school community.  

Maria has used MasterTrack to track individual student progress for over 10 years and loves to help other teachers implement MasterTrack in their classrooms and schools.

Darci brings with her over thirteen years of experience working with teachers and students in elementary math. During this time, she has worked directly with elementary students in math and has supported teachers implement MasterTrack in the classroom.

As School Coordinator, Darci supports teachers with all aspects of elementary math learning recovery work - from identifying and sharing helpful classroom resources, to identifying learning goals and supporting teachers to implement small group instruction. 

Darci has worked with Torrey supporting schools with K-8 math instruction for eleven years and has been with MasterTrack since its inception. Her kind, supportive demeanor along with her steady approach and years of experience working with students in elementary math make her an indispensable part of the MasterTrack team.