District Math Specialist
Duval County Public Schools
Jacksonville, Florida, United States
Johanna Haltiwanger is a District Math Specialist in her twenty-ninth year of education. She has taught both elementary students and adults and has had a variety of roles: Teacher of Gifted, Instructional Coach, and Gifted Lead/Coach. She received her National Board certification as a middle childhood generalist in 2002 and had the opportunity to score portfolios as well as mentor other teachers seeking certification. She has been a contributor to her District's Curriculum in several areas over the years - Science, Math, and Gifted. She has been fortunate to work with teachers, specialists, and administrators in their gifted journey as a Gifted Endorsement Facilitator for her District since 2016. She has peer reviewed for NAGC and has been a member of NAGC's Professional Standards Committee since 2021. She was on NAGC23's Local Host committee in which she served as Social/Marketing Captain. She has also co-authored a PBL Chapter for NCTM: Project-Based Learning in Elementary Classrooms: Making Mathematics Come Alive - Chapter 9: Grid City: Designing Math Towns and Encouraging Bright Mind. Johanna is a board member for FLAG, the Florida Association for the GIfted and has served as FLAG's Public Relations Chair, President-Elect, and is the current President.
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Engaging with the New Teacher Preparation Standards & Prof Standards Committee Presentation
Saturday, November 15, 2025
11:15 AM - 12:00 PM ET