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Roy C. Ketcham High School

99 Myers Corners Road | Wappingers Falls, NY 12590 | PH: 845.298.5100

  • Home
  • About RCK
      "
    • About Us
    • Your Guide to RCK
  • Academics
      "
    • Guidance
    • Departments
  • Administration
      "
    • Contact Us
  • Athletics
      "
    • Athletics
    • WCSD Athletics
  • Clubs
      "
    • ASL Club
    • Biology Club
    • Business & Marketing Honor Society
    • Chamber Orchestra
    • Chemistry Club
    • Class of 2025 - Senior Class
    • Class of 2026 - Junior Class
    • Class of 2027 - Sophomore Class
    • Class of 2028 - Freshman Class
    • Connections Club
    • Crew Club
    • Debate Society
    • Dungeons & Dragons Club
    • e-Sports
    • FBLA (Future Business Leaders of America)
    • Film Club
    • Greenworks Club
    • History Olympiad
    • Interact Club
    • Italian National Honor Society
    • Jazz Ensemble
    • Ketcham Keynotes
    • Learning Center
    • Literary Magazine
    • Magic the Gathering
    • Masque & Mime Society
    • Math Team
    • Mu Alpha Theta Mathematics Honor Society
    • Multi-Cultural Society
    • National Art Honor Society
    • National Honor Society
    • OMG Club
    • Other Music Club
    • Pep Band
    • Pokemon Club
    • Pride Club (LGBTQ Pride Club)
    • RAK - Random Acts of Kindness
    • RELA (RISING ENTREPRENEURIAL LEADERS ASSOCIATION)
    • Renaissance Cards
    • Rho Kappa Social Studies Honor Society
    • SADD Club
    • Science Olympiad
    • Ski & Snowboard Club
    • Sociedad Hispanica Honoraria
    • Societe Honoraire de Francais
    • Step Team
    • Stock Market Club
    • Strength & Conditioning Club
    • Student Council
    • Teen Club
    • Tri M Music Honor Society
    • UNICEF
    • Winners Circle Club
    • Yearbook
  • Community
      "
    • Community Info
  • Parents
      "
    • Arbiter Sports (formerly FamilyID)
    • Attendance Office
    • Blackboard Connect
    • Career & College Center
    • ENL Families
    • Health Office
    • Links to WCSD Resources
    • My School Bucks
    • Parent Portal/Infinite Campus
    • Parent Teacher Student Association
    • Report Card Schedules
    • WCSD Transportation
  • Policies
      "
  • Students
      "
    • Academic Excellence (formerly Honor Roll)
    • Bell Schedule
    • Career & College Center
    • Counseling Office
    • Future Plans - Class of 2024
    • Graduation and Beyond
    • Health Office
    • National Honor Society
    • Policies
    • Schedule Change Form
    • Student Spotlight
    • Students of the Week and Month
    • Understanding Financial Aid and FAFSA
    • WCSD Student Resources
    • Working Papers
    • Hall, Gym & Music Lockers
  • Teachers
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    • Agosta, Laurissa - Social Studies
    • Algarin-Alemany, Lisa - School Counselor - Grade 10 (Mo-Z) & ENL
    • Anderson, Vincent - Math
    • Bardes, Kristina - English
    • Batira, Mike - Business
    • Bautista, Kyle - Science
    • Bell-Groucher, Theresa - Math
    • Bianco, Michael - Physical Education
    • Blades, Michele - CAPE Counselor
    • Bliss, Lucas - Technology
    • Bolduc, Dana-Marie - World Language (Spanish)
    • Boscia, Kalah - College & Career Counselor
    • Bradley-Spagna, Michelle - Special Education
    • Branciforti, Gabrielle - Speech Therapy
    • Briskey, Robert - English
    • Brunelli, Christian - Business
    • Budd, David - Physical Education
    • Bunt, Christine - Fine Arts
    • Cachon, Suzanne - Science
    • Calimano, Christopher - Social Studies
    • Cancellari, James - Science
    • Caparco, Jamie - Special Education
    • Carpenter, Angelo - School Counselor - Grade 12 (A-L)
    • Caruso, Nicole - English
    • Castano, Kim - Special Education
    • Champagne, Elena - Health Education
    • Clifton, Tanya - English
    • Colucci, Katharine - Science
    • Conti, Rosemarie - World Language (Italian)
    • Cruz, Elizabeth - World Language (Spanish)
    • Cunningham, Richard - Science
    • Davet, Adrienne
    • Deck, Amanda - Math
    • Degroat, Katherine - School Counselor - Grade 9 (A-K)
    • del Olmo, Pablo - ENL
    • Delaney, Mark - Science
    • Desorrento, Victoria - World Language (Italian)
    • Devlin, Jamie - English
    • Diamente, Michael - Social Studies
    • Donleavy, Lynn - Math
    • Dreilinger, Eli - English
    • Dunne, Christopher - Math
    • Esola, Julie - Special Education
    • Fitzgibbon, Patricia - Special Education
    • Flanagan, Kathleen - World Language (Spanish)
    • Foley, Eugene - Math
    • Foreman, Carol - Teaching Assistant (Computer Lab)
    • Foster-Hood, Maxine - Science
    • Foxhall, Marc - English
    • Furlong, Robert - School Psychologist
    • Garrison, Jennifer - Special Education
    • Glancey, Patricia - Science
    • Gorman, Heather - Science
    • Grafmuller, David - Physical Therapist
    • Greenwood, Maria
    • Gueren, Delphine - World Language (French)
    • Guerriero, Anthony - Science
    • Happel, Anne - School Social Worker
    • Hedin, Kelley - Fine Arts
    • Hogan, Bryan - Social Studies
    • Holod, Richard - Music
    • Johnson, Jessica - Social Studies
    • Johnson, Lance - Science
    • Kaminski, Siobhan - Special Education
    • Kastanis, Leah - Math
    • Keller, Alison - Fine Arts
    • King, Matthew - Music
    • Kondor, Elisa - World Language (Spanish)
    • Koretsky, Raymond - Math
    • Kosiner, Kerri - ENL
    • Kuritzky, Jay
    • Laff, Natalie - Special Education
    • Lafreniere, Rachel - Special Education
    • LaRose, Valerie - English
    • Lavoie, Lori - Special Education
    • Leonard, Katherine - School Counselor - Grade 10 (A-Mi)
    • Liguori, Elizabeth - Special Education
    • Luhmann, Christopher - Science
    • Mahon, John - Special Education
    • Manzo, Mitchell - Science
    • Manzo, Shannon - Science
    • Martin, Ashley - Speech Therapy
    • Martino, Christina - Math
    • Mayo, Dominick - English
    • McCaffrey, Stephanie - Special Education
    • McGregor, Amanda - Special Education
    • McLaughlin, Bruce - Science
    • McMillan, Elizabeth - Math
    • Mealy, Patrick - Physical Education
    • Meyer, Kristie - Health
    • Mochon, Noelani - World Language (Spanish)
    • Morano-Ender, Corina - Social Studies
    • Mulligan, Erin - Physical Education
    • Mullins, Meghan - English
    • Musch, Tyrell - Technology
    • O'Leary, Amy - English
    • Paino, Matthew - Social Studies
    • Paino, Michael - Physical Education
    • Pampalone, Daniel - Social Studies
    • Panzer, Michael - Social Studies
    • Pardonner, Paula - Special Education
    • Parlapiano, Nicholas - World Language (Italian)
    • Paunovic, Daniel - Science
    • Perry, Chris - Physical Education
    • Petersen, Kristin - Special Education
    • Phelan, Tina - Social Studies
    • Reardon, Amanda - Fine Arts
    • Remick, Ronald - Business
    • Rettberg, Kelly - Business
    • Richard, Jerry - Math
    • Rifenburg, Timothy - Social Studies
    • Ropes, Charles - Science
    • Ryan, Carolyn - School Social Worker
    • Ryan, Chelsea - School Counselor (11th Grade L-Z)
    • Sampson, Diane - Special Education
    • Satterlee, Scott - Social Studies
    • Sawicki, Jackson - Social Studies
    • Schaller, Mark - Special Education
    • Schmid, Joseph - English
    • Sciales, Nicholas - English
    • Scirbona, Bobbi - Science
    • Siebert, Holly - Math
    • Sivco, Tiffany - School Psychologist
    • Soltish, Jennifer - School Counselor - Grade 12 (M-Z)
    • Staples, Kerry - Speech Therapist
    • Stephens, Gina - Music
    • Streever, Corinne - Business
    • Struzzieri, Tricia - Math
    • Sullivan, Darryl - Social Studies
    • Theiss, Jessica - Social Studies
    • Toretta, Philip - School Counselor - Grade 9 (L-Z)
    • Townsend, David - Counselor-In-Charge - Grade 11 (A-K)
    • Trainor, James - Music
    • Triantafillou, Christopher - Science
    • Trucchio, Ronald - Special Education
    • Velez, Mary - Math
    • Vetter, John - Special Education
    • Vonderau, Lauren - Special Education
    • Walis, Jennifer - School Psychologist
    • Wasserman, Lindsay - Fine Arts
    • Williams, Charles - Special Education
    • Wright, Kimberly - Physical Education
    • Yahn, Kevin - Technology
    • Zandstra, Christine - English
    • Zolotas, Adam - Social Studies
    • Zucker, Jesse - English
    • Keating, Elizabeth - Career & College Center

Siebert, Holly - Math

Page Navigation

  • Siebert, Holly's Homepage
  • Class Expectations and Supplies Needed
  • College Calculus/ DCC Mat 221
  • Honors Precalculus/ DCC Mat 185
  • AP Calculus BC
  • National Math Honor Society and RCK Math Team
  • Roy C. Ketcham High School
  • National Math Honor Society and RCK Math Team

  • Direct Link to Math Honor society and Math Team Website

99 Myers Corners Road

Wappingers Falls, NY 12590

Get Directions

845.298.5100

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