Homeschooling is a growing trend in America. Studies on homeschooling in the past three decades have focused on the reasons why parents choose to homeschool, the academic and social quality of homeschooling, and the perceptions of public and private school officials towards homeschooling, as well as homeschooling parents' perceptions of public and private schools. The literature on homeschool cooperatives is scarce. A homeschool cooperative (co-op) is a group of homeschooling parents who have gathered to collectively teach their children. Co-ops might teach core subjects, electives, athletics, or just serve as an opportunity for homeschooling families to gather for fellowship and social time. This dissertation is a study of a homeschool co-op in San Antonio, Texas. The researcher for this study attempted to answer two questions: 1) What is a history of the co-op, and 2) What are the daily operations of the co-op? This researcher observed the selected co-op in action, reviewed documents supplied by co-op members, and interviewed four members of the co-op who have varying degrees of participation in the co-op. Through triangulation of interviews, observations, and documents, this researcher has described a history of the selected co-op, including its founding and daily operations. The co-op, formed in 2005, is a large, Catholic-affiliated co-op that meets weekly for twelve weeks each semester. The teachers, all paid, are either parents of co-op students or individuals hired from outside the co-op. Students in the co-op have twenty to twenty-five courses from which to choose each semester. The participants in the study are satisfied with their experiences in the Quality Homeschool Co-op. The participants state that the co-op is providing quality academic classes that supplement the curricula used at home. The participants are also pleased with the positive socialization that their children receive while attending the co-op. This study adds to the literature on homeschooling cooperatives. Although further research on this study is possible based on different research questions, this researcher has presented a history of Quality Homeschool Co-op and has documented the co-op's daily operations.

The Study & Sing curriculum is designed (1) to provide homeschooling high school students with a music resource that is easy to access and incorporate within their homeschool environment; (2) to facilitate meaningful and effective music instruction by designing a music class for a qualified music teacher to use within cooperative homeschool groups; (3) to offer homeschooling families a comprehensive music class that closely follows the National Core Arts Standards for music education; and (4) to provide a music class for homeschool co-op students that offers a comprehensive design and fosters collaborative music experiences by integrating a performance component that corresponds with the academic music material. This curriculum is an eight-week unit study that explores Early-to-Mid American Music ranging from the 17th century to the early-20th century. The course will be offered synchronously in person within a homeschool cooperative setting and aligns with national music standards by offering a comprehensive approach that incorporates academic music components (Study) with corresponding music performance elements (Sing). Class materials with be easily accessible, enabling students to download the course materials including listening examples, weekly presentations, and links for sheet music, and music teachers will be able to access and download weekly lesson plans with guided instruction and slide presentations. Student comprehension of the unit study material will be assessed through integrated activities and corresponding quizzes during weeks 2-7 and individual prepared presentations in week 7. In the final week of the class, students will sing together in a multi-part choral ensemble and will perform music arrangements adapted from original melodies that they learned and practiced together during the unit study.