She began teaching in 2008 after receiving her Bachelors in Psychology and teaching credential from California State University, Fullerton. She has experience teaching Kindergarten through third grade, as well as Special Education and English Language Learners. She loves being creative and sharing her creativity with her students as well as her colleagues. Hadar began sharing her classroom ideas on her teaching blog, Miss Kindergarten, in 2010 so she could share her passion for teaching with even more people. She loves being able to connect with teachers around the world through social media, especially Instagram.