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The preschool (also called Pre-K) at Dr. William L. Cobb Elementary School serves children ages 3 through 5, and is part of the SFUSD Early Education Department and Early Childhood Special Education Services. We have one inclusive classroom and one special education classroom.


Children and families in the Early Education Department have access to high quality early childhood programs and services that promote and support the right of every young child and his or her family, regardless of cultural and linguistic background, family composition and/or ability to participate in a broad range of activities and contexts as full members of a school community. Children with and without disabilities will feel a sense of belonging and membership; create and maintain positive social relationships and friendships; and receive support for their development and learning in order to reach their full potential.



8:40 a.m. to 2:40 p.m.

Preschool Teachers

Ms. Susie Siegel, Pre-K General Education Teacher

At Cobb since 2018


Miss Susie has a Masters Degree in Early Childhood Education and a B.A. in Philosophy from Boston University. After teaching in Boston, she taught kindergarten in SFUSD for 23 years. She is passionate about designing early childhood activities and building rituals and relationships with families. She believes that fostering love, kindness, and creativity is a crucial part of learning. An avid traveler, she has gone to Uganda where a preschool-aged gorilla climbed right up on her back, and appeared on The Price is Right with Bob Barker.



Ms. Ali Baurer, Pre-K Special Education Day Class Teacher

At Cobb since 2017


Miss Ali grew up in Santa Rosa, California, and began her teaching career in 2013 at the Associated Students Children’s School at Sonoma State University. Most recently, she was an Associate Preschool Teacher at the Jewish Community Center San Francisco Helen Diller Family Preschool. She earned her Bachelor of Arts in Early Childhood Studies at Sonoma State University and is currently earning her Early Childhood Special Education Teaching Credential and Masters Degree at San Francisco State University. Ms. Ali enjoys trying new restaurants and coffee shops, traveling to foreign countries, playing with dogs, going to school, and watching science fiction movies. 



Ms. Giovanna Hoy, Pre-K Inclusion Teacher

At Cobb since 2018

Preschool Paraprofessionals

Ms. SuLan Huang

At Cobb since 2015


Ms. SuLan has worked in the School District since 2011. Before coming to Cobb in 2015, Ms. SuLan was a preschool substitute teacher. She has been working at the after school program since 2013. She earned her AA Degree in Child Development from the City College of San Francisco. She spends leisure time with her family, traveling, and watching Chinese drama television shows. Teaching children is her favorite job.





Ms. Elisabeth Stark

At Cobb since 2015








Ms. Michelle Williams

At Cobb since 2014


Affectionately known as Teacher Chelle since 1985 when she began her journey educating children, Ms. Williams has held many titles: Teacher’s Assistant, Pre-K Teacher, Kindergarten Teacher, Summer Program Director, Case Manager, Parent Educator, Child Development Specialist, CPS Family Liaison, Addiction Specialist, Family Literacy Coach, and a personal favorite: Head of Educare Department and Children’s Center Supervisor. She is a San Francisco native and the proud mother of a teenage daughter.



Ms. Michelle De Grasse

At Cobb since 2018


Ms. Lakeada Perez

At Cobb since 2017