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Yvonne has been a cornerstone of the child care and education community since her tenure began in 1984 at TTT, initially dedicating herself to the development and care of infants and preschoolers at the Fairmont site. Her commitment and passion for early childhood education propelled her to a leadership position in 1993 when she became the Director at the South San Francisco site, a role in which she flourished and demonstrated exceptional leadership skills. Her academic background, fortified by an Associate of Arts Degree in Early Childhood Education from SF City College and Canada College, along with a Master Teacher's Certificate, has provided Yvonne with a solid foundation to inspire her team and contribute to the field of early childhood education significantly. In 2024, Yvonne was at the forefront of Happy Hall Schools' transition from TTT, where she enthusiastically embraced the challenge, guiding the institution through its transformation with vision and dedication. As the Director of Happy Hall Schools, Yvonne's leadership has been pivotal in maintaining the legacy of quality education and care that the community trusts. On a personal note, Yvonne's life is filled with the joy of family. Married to her high school sweetheart, she is a proud parent to three children and adores spending quality time with her two grandchildren. Her leisure time is spent embracing the great outdoors through walking, hiking, camping, and traveling, activities that reflect her love for adventure and nature. Moreover, Yvonne is actively involved in two women's groups and her Cursillo group, demonstrating her commitment to community and spiritual growth. Yvonne's fluency in Spanish enables her to connect with a diverse array of students and families, enriching the multicultural environment of Happy Hall Schools. Her certifications in CPR and First Aid ensure a safe and prepared learning setting for all under her care. Yvonne's journey from an educator at TTT to the Director of Happy Hall Schools is a testament to her unwavering dedication to nurturing young minds, her leadership during times of change, and her profound commitment to her family and community.


Darlene embarked on her career in the child care field in 1989, drawn by the infectious energy of children and their ability to awaken the child within adults. From a young age, Darlene felt a deep-seated calling to teach and provide support to children in any way possible, reflecting a passion for nurturing and guiding young minds through their formative years. Outside of her professional life, Darlene cherishes the moments spent with her loved ones, valuing the strength and joy that come from family and friends. Her commitment to personal growth and learning is evident not only in her career choice but also in her pursuit of higher education. Darlene holds an Associate of Science (AS) degree in Early Childhood Education, an Associate of Arts (AA) in Liberal Studies, and a Bachelor of Arts (BA) in Liberal Studies. These academic achievements underscore her dedication to understanding the broad spectrum of human development and education. Darlene's commitment to ensuring a safe and nurturing environment for children is further demonstrated by her CPR and First Aid certifications. These qualifications ensure she is well-prepared to respond to emergencies and uphold the well-being of the children in her care. Throughout her career, Darlene has remained dedicated to the idea that teaching is not just a profession but a way of making a significant difference in the lives of young learners. Her journey reflects a life devoted to education, safety, and the well-being of children, making her a valued member of any educational team.


Kathleen has been a dedicated member of the TTT team since 2013, demonstrating her commitment and passion for early childhood education through her varied roles within the organization. Initially, Kathleen balanced her time between the South San Francisco preschool site in the mornings and the Sunset Ridge location in the afternoons until 2015. Her dedication and hard work led to a full-time position at Sunset Ridge, where she continues to contribute her skills and knowledge to the development and growth of young learners. Her educational journey includes comprehensive coursework at Skyline College, where Kathleen has accrued 26 units in Early Childhood Education. This academic pursuit complements her Associate of Science degree in Health Science, illustrating her broad interest in both education and health, and how these fields intersect to support the holistic development of children. Outside of her professional endeavors, Kathleen finds joy and relaxation in spending quality time with her family. Her hobbies include bowling, hiking, sightseeing, and visiting museums, activities that not only offer her personal fulfillment but also inspire her creativity and teaching practices. These interests allow Kathleen to bring a rich variety of experiences and insights into her classroom, benefiting her students in numerous ways. Kathleen is also CPR and First Aid Certified, ensuring she is well-equipped to provide a safe and caring environment for all children under her care. Her qualifications, experience, and personal interests make her a well-rounded educator who is deeply committed to the well-being and education of the children she teaches.


Selma has been a dedicated professional in the child care field since 1980, bringing decades of experience and passion to her role. Her journey in early childhood education began in earnest when she joined TTT in June 1989, marking the start of a distinguished career that has spanned various facets of child development and education. Selma's academic credentials, including significant coursework with more than 24 units in Early Childhood Education from Skyline College and San Francisco City College, have equipped her with the knowledge and skills necessary to excel in her field. Throughout her career, Selma has specialized in working with infants and preschoolers, dedicating herself to nurturing and guiding the youngest learners with care and expertise. In 2010, she expanded her professional scope to include working with school-aged children, demonstrating her versatility and commitment to supporting children at different stages of their development. In 2014, Selma's personal life blossomed alongside her professional achievements when she married, adding a new dimension of joy to her life. She is a proud mother of a son and a daughter, both of whom are college students, reflecting her values of education and personal growth within her own family. When not immersed in her work at the Dolores Way center of Happy Hall Schools, which she joined in 2024, Selma enjoys a variety of leisure activities. She loves going to the movies, indulging in the simple pleasure of reading, spending quality time visiting with friends and family, and taking refreshing walks at the park. These activities not only offer her relaxation and enjoyment but also keep her grounded and connected to her community. Selma is also CPR and First Aid Certified, ensuring that she is prepared to offer a safe and nurturing environment for all children under her care. Her transition to Happy Hall Schools as a director at the Dolores Way center marks a significant milestone in her career, where she continues to apply her extensive experience and passionate commitment to the well-being and development of children.

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Rosa's journey in the child care field commenced in 1983, a testament to her longstanding commitment and passion for early childhood education. Her initial experience began in Guatemala, where she laid the foundational stones of her career by studying Early Childhood Education, showcasing her dedication to understanding the complexities and joys of teaching young minds. Rosa further solidified her expertise by completing her ECE units at Skyline College, a step that not only enhanced her knowledge but also led to her acquiring a Child Development Associate Teacher permit. In 1996, Rosa joined TTT, where she contributed her skills, knowledge, and passion for nearly three decades, deeply impacting the lives of countless children and families with her dedication and care. Her transition to Happy Hall Schools in 2024 as a Pre-K Teacher marked a new chapter in her professional journey, bringing her extensive experience and enthusiasm to a new community of learners and educators. Rosa's personal interests and hobbies include drawing, dancing, bike riding, and maintaining an active lifestyle by walking and going to the gym. These activities reflect her vibrant spirit and her belief in the importance of a balanced and healthy lifestyle, both for herself and as a role model for her students. Fluent in Spanish, Rosa brings a valuable bilingual skill set to her classroom, enriching the learning environment with cultural diversity and enabling her to connect with a broader range of students and families. Her certifications in CPR and First Aid further underscore her commitment to ensuring a safe and supportive learning environment for all her students. Rosa's journey from Guatemala to Happy Hall Schools embodies her lifelong dedication to education and her unwavering commitment to nurturing the next generation of learners. Her experience, skills, and personal passions make her a cherished member of the Happy Hall Schools community.


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