Andrena Davis (Chelle) has a background in Early Childhood Education and holds a Montessori diploma from the Center for Guided Montessori Studies. She has over 16 years of experience working with two-six year olds. She has also served six years in the Oklahoma and Louisiana National Guard. Chelle and her family moved here from Oklahoma. She is the mother of two children. She enjoys sports, music, hiking and photography.
Sandra Navarrete obtained her BA degree in Spanish Language, Hispanic Literature and Culture from SUNY (State University of New York) College at Old Westbury. Sandra has always looked forward to working with children on immersive language instruction. One of her memorable teaching experiences involved a trip to her native country of El Salvador, where she volunteered her time as a substitute English teacher at an elementary/middle school. Prior to teaching at The Renaissance School, Sandra was a Spanish teacher for a non-profit and she is excited to have joined the Renaissance School team in November 2015.
Adriana Zavala has been working at TRIS since 2013. She migrated from Michoacán, Mexico to the United States at a very young age with both her parents. She came to TRIS with a background in Child Development. She has been working with children since 2010. She is a proud mom of two children. She loves to bake and learn about photography, and she enjoys working with younger kids and admires their innocence and fun personalities.
Pricilla Medina was born and raised in the Bay Area. Her family is from Mexico. Pricilla has a background in Child Development as well as training from The Montessori Teacher Education Center San Francisco Bay Area (AMS). She is the Spanish assistant at the primary level at TRIS who enjoys the Montessori philosophy. She has been a part of the TRIS community since winter of 2015.
Callie Harvey joined the TRIS community in 2012, shortly after she and her family moved to the Bay Area from Canada. She attended a Montessori primary program as a child and is at home with both the materials and the approach. She has lived in France as a Vivre Sans Frontières exchange student who obtained the baccalauréat diploma in French literature and as a college student who studied at the Sorbonne University. She holds a Bachelor of Arts in French from Bryn Mawr College in Pennsylvania and a Master of Arts in Linguistics from Leiden University in the Netherlands. Her AMI Primary certificate is from the Montessori Teacher Training Center of Northern California. In addition to French, she understands Spanish, some Dutch, and some Russian. One of Callie’s favorite aspects of working at TRIS is collaborating with the wonderful families and the inspiring faculty. Teaching French pastry camp over the summer is a definite perk, too!
Boa Xiong is an AMI Montessori guide from Detroit, Michigan. She completed her Primary training at the Montessori Institute of San Diego. She holds a B.A.A. in Fashion Design and Merchandising from Central Michigan University as well as, a Masters of Education in Montessori education from Loyola Maryland University. Boa worked as an assistant designer in New York City and an English teacher in Thailand before joining TRIS in 2016. In her free time, she loves to read, sew, and occasionally snowboard after a good snowstorm. Food is also a great love! Please feel free to send her any great recipes you have.
Marie Mosimann is originally from Paris, France. She came to the Bay Area 10 years ago, starting her career as an event planner after obtaining a French four-year degree in Marketing and Communications. Prior to joining TRiS, she has been teaching French for two years, working with elementary age students in an immersion after-school center. She started at TRIS in 2015 at the Elementary level. She is now the French Assistant in P2. In her free time, she likes to go camping in the wilderness and discover new places, both in the US and abroad.
Sara Sangco was born and raised in the Philippines, and traveled often growing up. She completed her Bachelor of Arts degree from the Ateneo de Manila University, majoring in English Literature and Communications. She also holds two Minors in Philosophy and Creative Writing, and worked as a freelance writer and Elementary English teacher before moving to San Diego in 2005 to pursue her AMI Primary training. She was drawn to the method because of her experience in a Montessori High School, and fell in love with TRIS during her visit in 2006. She has worked here ever since. In 2008, she completed her M.Ed in Montessori Education from the Loyola University in Maryland. Since then, she and her husband have welcomed three children, all of whom attend TRIS. In her spare time, Sara enjoys cooking, sneaking vegetables into her children’s food, reading, travelling, and swimming.
Paula Ruiz was born in Colombia. She has a Bachelor of Science degree in Bacteriology and Clinical Laboratory from Colegio Mayor de Antioquia, and a Masters degree in Occupational Health from Universidad CES. She came to the United States in 2007, and was drawn to The Renaissance International School's trilingual immersion program. She started teaching in 2008, incorporating her background in the Sciences with her work in the classroom. In 2012, she pursued her Montessori certification. Paula likes to read, knit, and travel in her spare time.
Maritza Hurtado was born in Oakland, California. In 2006, she went to Mexico and El Salvador to work with underprivileged children. This spurred her interest in education, and she went on to pursue her Early Childhood Education units from the Montessori Teacher Education Center, San Francisco Bay Area. She is also working towards her Bachelor of Science degree in Sociology. She came to TRIS in 2014, and currently works as a Spanish-speaking assistant. In her spare time, Maritza enjoys reading, photography, and music.
Nora Jimenez has a B. A in Spanish Language from the Universidad de Guadalajara, Mexico. She was in charge of the reading program in a K-12 private school in Mexico. Nora worked as a Spanish instructor at a private school in San Leandro before joining the TRS team in 2008. She took a Classroom Leadership course at The Montessori Foundation and a Early Childhood Assistant Teacher Course at Montessori Teacher Education Center of San Leandro in 2009. She started the primary Montessori training 2015-2017 at the Montessori Northwest School in San Francisco. She enjoys spending time with her two daughters.
Danielle Kravis is an English Guide in Primary IV. She joined the TRS Community in November 2016. Danielle was born in New York and moved to the west coast in 2016. She graduated from Hofstra University with a BA in Early Childhood Education and French. She attended the Montessori Institute of San Diego’s AMI Primary Training. In her free time, Danielle enjoys practicing yoga, reading, travelling, and exploring the outdoors.
Jessica Araiza is a native of Oakland. She is of Mexican descent and speaks Spanish at the native level. She is currently pursuing a bachelor's in Psychology at the California State University—East Bay. She has been working with children for most of her adult life and currently offers support at the primary level. Jessica has a particular interest in theories of psychology within Montessori education and has a strong interest in becoming more intimate with the Montessori philosophy.
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