As museum education has developed as a field of study, many efforts have been made with the purpose of preserving its history and establishing a documentation and archiving system that strengthens its position as a discipline in the broader work that museums carry out. Despite the big efforts that have been made, the museum education situation (its history, purpose and identity) is yet to be defined in many places. During the four years this project has been carried out thanks to a Predoctoral Scholarship granted by the Complutense University of Madrid, we have elaborated an archival protocol for educational activities in museums. This protocol has been developed while analyzing the necessities of the museum education professionals as well as the concerns of those interested in studying the documentation produced around the educational experiences in museums. This protocol has been materialized in two prototypes that have two different formats: The first one is the archive as an online platform. The second one is the archive as an event. Both prototypes have served to see if the archive for educational activities improves the visibility and meaningfulness of two museums specifically: Tate and the Pedagogical Museum for Children's Art. Therefore, our hypothesis is: The museum education archive for the documentation, organization and preservation of educational experiences improves the visibility and meaningfulness of the educational activity of Tate and the Pedagogical Museum for Children's Art to others...