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~ Mary, Be Our Vision ~

Mr. Jason Strefeler

If there is a two hour delay, morning rehearsals will be canceled.



If you have any questions about your music elearning, please contact me at

Come see our School Musical, Frozen Jr.! 
Friday, TBA @ 7PM (Blue Cast),
Saturday, TBA@ 2PM ( Blue Cast) and 7PM (White Cast), 
Sunday, TBA@ 2PM (White Cast)

Mark your calendars for our Spring Concert, TBA


The color casts for Frozen Jr. are listed below:

                                  Blue                                White

Young Anna:              Samantha Timmons        Sara Benner
Young Elsa:               Francesca Craig              Violet Binczewski
Middle Anna:             Samantha Markward       Samantha Trefz     
Middle Elsa:               Allison Macartney            Caitlin Fry
Anna:                         Madison Markward          Olivia Carlo
Elsa:                          Kelly Williamson              Shae St.Clair
Hans:                         Colin Cossman                Christian Corrado
Kristoff:                      Colin Meehan                  Bobby Lombardo
Sven:                         Cole Bartle                       Dillon Costello
Olaf:                           Grady DeVico                  Katelyn Dougherty
Wesleton:                  Nicholas Cugini                Logan Keough


Ensemble Schedule

Beginners Chimes: Tuesdays 8:00 AM - 8:35 AM
Chime Time Players: Mondays 8:00 AM - 8:35 AM
Jubilate Choir: Thursdays 8:30 AM - 9:05 AM
Mater Dei Singers: Wednesdays 8:30 AM - 9:05 AM

The next Cantor Choir rehearsal will be on  at 8:15 for the School Liturgy on  at 11:00 AM.

Teacher Image


Hello, and welcome to the Mater Dei music page! 
I am the school general music teacher and choral director.
I am a graduate of Temple University, where I received my BS in music education, with a K-12 certification. This is my 10th year teaching and my 7th year teaching at Mater Dei Catholic School.

Mater Dei Catholic School

Mary, Be Our Vision as we develop the values of Faith, Excellence, Service, and Community.




principal with students