My Sun Flowers
    Holly Siebert - Mathematics Department - Teacher in Charge
    Email:holly.siebert@wcsdny.org Phone:845-298-5100 ext 31029
    Hello, and welcome to the web page for Ms. Siebert. I have been a high school mathematics teacher for the past 27 years.
    Most of the last twenty three years have been at Roy C. Ketcham High School.  
    I grew up in Dutchess County, and live here with my husband, three children and our two dogs.
    Mission For The Class:  Students will gain an understanding of, and appreciation for, the importance of mathematics in their lives. 
    Students will learn to integrate higher-lever thinking with real-world examples of mathematics in their daily lives.
    My Class Schedule for 2019-2020
    Period 1:  TC duty
    Period 2:  DCC Calculus MAT 221
    Period 3:  Honors Precalculus/ DCC MAT 185
    Period 4:  AP Calculus AB
    Period 6:  DCC Calculus/DCC MAT 221
    Period 7:  Honors Precalculus/DCC MAT 185
    Period 8:  Prep