Mrs. Sheila Griffin, M.Ed

Founder & Montessori Trained Primary & Elementary Teacher

Mrs. Griffin is one of the Founders of LEAP International Montessori School, the Curriculum Coordinator, and she is responsible for all happenings on campus.
She holds Association of Montessori Internationale Diplomas at both the Primary (ages 2.5-6) and Elementary (ages 6-12) levels, as well as a Bachelor of Liberal Arts in History and Philosophy from the University of Alaska Southeast.  She also holds a Master’s Degree in International Education from Northcentral University. She has taught nationally and internationally, at both the Primary and Elementary levels.
Mrs. Griffin is especially interested in Peace Education and has done extensive work with indigenous groups in North America.   Her background before she came to Montessori was in the museum world and outdoor education.
Mrs. Griffin is a native of New Mexico and graduated from Sandia High School.  She also spent a significant amount of time in Alaska and considers it to be her second home.

Mrs. Betty Osoff-Hannagan (Mrs. OH)

Head of School/ Primary Teacher

Mrs. Osoff-Hannagan is one of the founders of LEAP International Montessori School.  Except for a few years traveling and living abroad, she is a life-long, proud resident of the Rio Grande Valley.  Mrs. Osoff-Hannagan is a graduate of Highland High School and New Mexico State University with a Bachelors in Business Administration/ Management & Home Economics.  She has started, owned, and operated several businesses and has extensive volunteer leadership experience.
Mrs. Osoff-Hannagan first learned about Montessori education while stationed in Italy with her former husband and since has supported several Montessori endeavors.  In addition to serving as our Head of School she is also a licensed real estate broker with Coldwell Banker Legacy. She has been successfully helping people to buy and sell residential homes for the past 17 years.
In her spare time, she and her husband enjoy gardening.  She also sings in a choir, enjoys cooking, sewing, painting, playing with her elderly, yet wise, cockapoo, “Minnie”, and making Montessori materials and Montessori inspired jewelry.

Come meet the rest of us!

Every one of our team members is devoted to delivering the finest education possible to your children.

Ms. Katrina Eden

Lead Toddler Teacher Intern

Mr. Dan Hannagan


Henri Griffin

Ms. Leslie Lopez

Assistant Teacher

Mrs. Shelly Boban

Lead Primary Teacher

Minnie Hannagan

Mrs. Wellen Chambers

Primary Teacher Intern/ Videographer

Mrs. Stevie Romero

Photographer/ Website Builder

Charlie Griffin

Mr. Ryan Clement

Music Teacher

Mr. Michael Husted

Administrative Assistant

Honey Husted