This research focused on the teaching of diversity in Jewish early childhood environments. The problem addressed was that not all Jewish early childhood centers teach diversity sufficiently, and the purpose of this study is to gain more information about how Jewish early childhood educators teach about diversity by learning about their challenges and successes in diversity education with their students. In this qualitative, collective case study design, three teachers who teach on the West Coast, each one from an Orthodox, Conservative, or Reform-affiliated early childhood center, participated. The research was conducted using three methods. Firstly, each teacher participated in an interview protocol. Secondly, this researcher conducted an observation of each classroom environment, and thirdly, the website of each school was reviewed for how the school is portrayed to the community. The results showed that although the Reform-affiliated school was more a more diverse environment and included diversity education both formally and informally more often than the Conservative and Orthodox-affiliated classrooms, all three schools do include diversity education through informal and formal methods. However, this is insufficient. Past research was used to discuss the need for increased diversity education in all three Jewish early childhood programs by providing more multicultural rich environments and additional family inclusion to develop a classroom environment that is representative of all students' cultures. The implications of these findings are that teachers can benefit from additional education about teaching diversity, which can lead to students having a welcoming, nurturing classroom environment that is representative of themselves and others. Recommendations for research is to expand the population of participants, focus on teacher training, and specific types of diversity instead of diversity in general. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]