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Support Staff

Rania_Antabeel_(RSP_Paraeducator) Card Icon
Rania Antabeel (RSP Paraeducator)

Maria_Aranda_(Librarian) Card Icon
Maria Aranda (Librarian)

Marisa_Bidwell_(Yard_Duty) Card Icon
Marisa Bidwell (Yard Duty)

Jessica_Desouza_(cafeteria_services_Team_Leader) Card Icon
Jessica Desouza (cafeteria services Team Leader)

Ms._Esquivel_(Speech_Therapist) Card Icon
Ms. Esquivel (Speech Therapist)

Email: Coming soon

Billy_FLores_(Night_CUstodian) Card Icon
Billy FLores (Night CUstodian)

Hello, my name is Billy Flores and am the new night custodian. I currently moved up to Northern California from South Central Los Angeles. I'm truly thankful for having the opportunity to meet and work within the Twinrivers Unified School District. My background includes multiple job assignments, but most importantly I have 5 years of experience with the Los Angeles Unified School District in Early Education as well as with Food Services. I look forward to working with everyone.

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Tyler Grossman

Cynthia_Hall_(Yard_DUty) Card Icon
Cynthia Hall (Yard DUty)

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SHeila Henderson (Yard Duty)

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Sondra McCarty (Psychologist)

I am excited to begin my 9th year as the School Psychologist at Pioneer School. I obtained my Bachelors in Communication and Psychology at University of California, Santa Barbara and my Masters and Education Specialist degree in School Psychology from California State University, Sacramento. Prior to joining Twin Rivers, I worked in Dixon Unified School District. I collaborate with both school staff and families in developing plans that offer educational supports and/or services necessary for students to be successful in school. In my free time, I enjoy traveling and running non-stop after my daughters.


Mays_Qandeel_(RSP_Paraeducator) Card Icon
Mays Qandeel (RSP Paraeducator)


Ms. Roberts
I graduated from Sacramento State University in 2004 with a Bachelor’s Degree in Psychology and a teacher credential authorizing her to work with students in special education who qualify for services due to mild disabilities. I am coming to Pioneer after teaching grades 9-12 at Foothill High School. Before teaching at FHS, I taught at Babcock Elementary and Foothill Ranch Middle School. I have a strong professional background with experience working with students in grades K-12 and am particularly knowledgeable with regard to junior high and high school math and English general education standards and curriculum. My favorite subject is mathematics. My hobbies outside of school hours include gardening, fishing, swimming, reading neurological research papers, fostering kittens for the county, and watching science fiction and fantasy movies. I am excited to be a part of the Pioneer team as the RSP teacher for 6-8. Go, Panthers!!!

Chris_Small-Birondo_(Student_Support_Teacher) Card IconChris Small-Birondo (Student Support Teacher)

Ms. Small-Birondo and her daughter at the Harvest Festival

The student support teacher does it all! I work with small group intervention in reading, English language support and math. 

This is my eighth year teaching at Pioneer. I work with all the grade levels, Kindergarten through 8th, in areas of need: Reading, English language arts, and math. 

I am the EL contact and in charge of the LPAC. 

I am married and have one daughter. 


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Lyubov Shtykova (ELD Support Staff)