Welcome to Ms. Serna Biddle’s 3rd & 4th Grade Classroom   

    Contact Information


    • Email: Cynthia_sernabiddle@chino.k12.ca.us 
    • Remind (Texting App) Send a text to: 81010; Text this message: @biddlesd
    • SeeSaw (Information for this website will be given at a later date on how to add your child to SeeSaw)
    • School Number 909 591-2653  ext.4220
    • Office Hours: After School (by appointment) 


  • Monday, August 9th, is the first day of school!  I look forward to meeting and seeing you all.  Our new school hours are 8:05am-3:15pm.   

    Ms. Biddle

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