ERHS Staff Access Voice Mail by first dialing the school's main number: (562) 801-7500 Arrange by department... Administration Classified Counselor English History and Social Studies Math Physical Education Resource ROP Science Special Education World Languages Visual and Performing Arts All Departments 0 items found. Matthew Sanchez Department: Math Email: msanchez@erusd.org 0 Phone Ext: 57108 Location: J-8 Link: Twitter: MSanchez_math Edmodo: More... Classes:• Link Crew • Integrated Math 1 • Integrated Math 2