Assistant Principals

Ms. Shropshire


Greetings! I am excited to serve as an Assistant Principal this school year at Ruth Musser Middle School. I look forward to working alongside our dedicated staff, students, and parents to create an enriching educational experience. With over 20 years of experience in education, I am an alumnus of the University of La Verne and Cal Poly Pomona, earning my Bachelor of Arts in Liberal Studies, Master of Arts in Education, and both teaching and administrative credentials. I believe in the power of education and the opportunities that strong foundational skills provide our youth. I am committed to fostering a safe and inclusive environment that promotes academic excellence, character development, and a love for learning. Together, let's nurture a vibrant school community where every student can thrive and reach their full potential. Feel free to reach out to me with any concerns or ideas; I'm here to support and collaborate with you all. Let's embark on a rewarding educational journey together!

Ms. Espinoza


I am excited and privileged to continue being a part of the Ruth Musser community.  The education and safety of all our students and staff is an utmost priority.  At Ruth Musser Middle School, our students are properly prepared to be 21st Century thinkers using critical thinking, creativity, collaboration, and communication to develop their decision-making and problem-solving skills.  The teachers and administrative team hold the highest standards for all students at Ruth Musser Middle School.  High expectations for student respect, responsibility, and integrity help create a positive learning environment where all students feel enthusiastic about their school experiences.  It is our goal that each child will reach their greatest potential both academically and behaviorally, along with becoming positive leaders.  As a member of your school community, I am excited to support each family in preparing our students at Ruth Musser Middle for success.  I look forward to an outstanding year of watching your children flourish.  Thank you for your continued support.  Feel free to contact me anytime.


Safety Plan

SB187 Safety Plan

The Comprehensive Safe School Plan includes data regarding crime, safe school procedures and compliance with laws including: (1) child abuse reporting, (2) disaster response, (3) suspension and expulsion policies, (4) notification of teachers of dangerous pupils, (5) sexual harassment, (6) schoolwide dress codes prohibiting gang-related apparel, (7) procedures for safe ingress and egress from school, (8) procedures to ensure a safe and orderly environment conducive to learning, and (9) rules and procedures on school discipline adopted pursuant to Ed Code Sections 35291 and 35291.5. A copy of the Single Plan for Student Achievement is available for inspection by the public at each school.We take pride in our well-maintained facilities. It is our responsibility to provide clean, safe and secure sites for the well-being of our students and staff.

RMMS Comprehensive Safe School Plan.pdf (PDF)