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Meet Our Middle School Teachers


Ms. Debbie Sheehan, Middle School Coordinator
Ms. Sheehan’s educational background includes a B.S. in Economics/Business Administration, M.B.A. in Finance/Marketing, and Doctoral Courses in Educational Leadership. She holds Montessori 3-6 and 6-12 Credentials. She passed her California State Teacher Test (CBEST) and National Teacher Education (NTER) Tests. For the past 16 years she has been a teacher in Montessori schools. In preparation for the expansion of our program, Ms. Sheehan attended the Montessori Adolescent Teacher Education Course given by Dr. Betsy Coe, head of the middle school and high school at School of the Woods, Houston, TX. Ms. Sheehan has two college age daughters.

Ms. Maribeth Brown
Ms. Brown’s educational background includes a B.A. in Speech Communication, M.A. in Communication, and graduate courses in Education, Child and Adolescent Development. Currently, she is finalizing her Montessori 6-12 credential. Ms. Brown taught, and coached speech and debate at the college and university level for 13 years prior to beginning her work with the Montessori middle school students in 2009. Ms. Brown has developed a unique speech and debate program for our Montessori middle school students which allows them to partner with and perform with college students around the county. Ms. Brown has two elementary school daughters who have been attending Maria Montessori School since preschool.

Additional Staff Includes teachers for:
Physical Education (required subject) – Ms. Angela McNamara
Mandarin or Spanish (required subject) – Ms. Donna Cheng & Ms. Helena DePascale
Public Speaking/Debate (required subject) - Ms. Maribeth Brown