Mastery portfolio is a collection of web-based tools designed to improve education practices. This digital grade book is easy to maintain and was built by teachers, for teachers. Their philosophy emphasizes the unfairness of traditional grading and posits that it leads to demotivated teachers, students and parents alike. Mastery Portfolio totes a standards-based grading model that facilitates better communication and understanding between teachers and students about expectations. It involves learning each student’s unique proficiency profile and deciphering each individual’s path to mastery. Constance is passionate about serving underprivileged and underrepresented students, and recounts her time at Yale University interacting with unsupported students. This served as the catalyst to her then going on to teach almost 11 years in New York high need public schools ultimately ending at Columbus School for Girls which is the birth place of Mastery Portfolio.