Instituto Nueva Escuela (INE) is a non-profit educational organization based in Puerto Rico that promotes Montessori education in the public school system. Founded in 2004, INE works to transform traditional public schools into Montessori schools through teacher training, curriculum development, and educational support services. The organization has been instrumental in expanding Montessori education across Puerto Rico’s public education system, partnering with the Puerto Rico Department of Education to implement Montessori programs in numerous public schools. INE provides comprehensive teacher training programs that align with Association Montessori Internationale (AMI) standards while adapting to the Puerto Rican context. INE’s model focuses on creating sustainable Montessori environments in public schools, serving students from diverse socioeconomic backgrounds. The organization offers continuous professional development, mentoring, and technical assistance to teachers and school administrators. Their work has contributed to the establishment of one of the largest public Montessori networks in the world, with dozens of schools across Puerto Rico implementing the Montessori methodology. The institute also conducts research on Montessori education’s impact in public settings and advocates for policies that support alternative educational approaches in the public sector. Their efforts have been recognized for promoting educational equity and innovation within Puerto Rico’s public education system.