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Mrs. O'Donnell was a Seneca graduate herself back in 2004.  She continued on to receive her Bachelor's of Science degree at Penn State Behrend and her Teaching Certification through Mercyhurst University.  She teaches a variety of math courses at Seneca High School depending on the semester.  
Fall 2018 Schedule
7:20 - 8:00 Plan Time
8:04 - 9:31 Algebra A
9:35 - 11:05 Honors Trigonometry
11:09 - 1:05 Algebra A/Lunch/Algebra A
1:09-2:33 Algebra A
Need to contact Mrs. O'Donnell?
Phone  814-824-3400 ext. 5558
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