Mr. Peter Stone
Chief Business Officer (CBO)
Peter joined River Charter Schools in 2012 as its Chief Business Officer. He spent most of the two previous decades in educational publishing finance as well as co-founding and growing the Electronic Education division of Pearson taking the new K-2 Waterford Early Reading Program to market in schools across the U.S. and making a significant difference in the reading achievement for the most needy children. Peter earned his Business Administration Accounting degree at UC Berkeley and is a CPA. He has lived in the Clarksburg area for the last 20 years on a working Delta farm, has four children, eight grandchildren, is very involved in his church and enjoys hiking.
Mrs. Amanda Zimmerman
Mrs. Zimmerman is the Principal of Delta Elementary Charter School and leads this exceptional educational team and school community. She is so excited to continue the wonderful work you do as a school community to educate our students.
I arrive at DECS as both a seasoned teacher and principal with 13 years of experience. I received my Bachelors in Childhood Development with a concentration in cognitive development from Sacramento State and a Masters in Education from UC Davis. I am a lifelong Sacramenten and live in the Oak Park area with my family. When I am not working, you can find me singing and dancing around my house, crafting, or relaxing with my family and friends by the pool.
I believe education is a life-long process and I will continue to learn much about the uniqueness and traditions of DECS this year and in years to come. Most importantly, I bring the understanding that ALL students have the right to high quality education that students are at the center of all school related decisions. I am excited to unite my experience, my openness to learn, and my child-centered approach to support our students.
Please follow me on Facebook at Delta Elementary Principal Zimmerman. I can also be reached via email at [email protected].
Ms. Kara Schene
Mrs. Schene has been an inspiring educational leader for over eighteen years. Our Lighthouse Charter core values of demonstrating unconditional positive regard, continuous self-reflection, and high quality collaborative efforts are aspects she values and embraces as our Principal of LCS. Mrs. Schene received her Bachelor of Science in Elementary Education from University of Nevada Reno, and earned her Master's Degree in Educational Administration and Supervision from University of Phoenix. Mrs. Schene holds a Multiple Subject Teaching Credential with an authorization in English and an Administrative Services Credential. She is excited to bring her extensive experiences of mentoring/coaching, building effective systems for positive school outcomes and implementing comprehensive models of inclusive practices for all students at LCS. When not spending time with the school family at LCS, she enjoys camping with her husband and three sons, gardening, and snowmobiling with her family in Graeagle, CA.
Ms. Christy Ploszaj
SPED & Student Support Services Director
Ms. Kamio Jones
Mr. Brian Sherman
Working with children has always been a passion of mine! Prior to my work here at River Charter Schools, I got my start in the school system working as a para-educator in mild-moderate and moderate-severe SDC classrooms. This is where I caught the bug to work as a school psychologist and haven't looked back since. Throughout my time in the field of Psychology, I have also held positions in the Veteran's Administration Hospital working with Veteran's who had experienced combat trauma (physically and mentally), as well as a community outreach center. During my time at the community out reach center I was working primarily in schools to provide outside resources for counseling in schools with primary populations of low socio-economic status, as well as substance abuse groups at the outreach center with people from all walks of life.
Ms. Cody Mavis
Manager of Fiscal Compliance
Cody has 18 years of experience working with small businesses including several local Non-Profits in the areas of bookkeeping, accounting, and internal controls. Cody has a Bachelor’s of Arts degree in Business Administration with a focus in Accounting. Her learning opportunities from working with a wide array of businesses and people have given her the knowledge to not only understand accounting detail, and the day to day issues that many organizations face, but also to take a step back and create solutions for broken or inefficient systems. Cody is forever grateful for the many mentors she had a long the way who have taught her invaluable skills. She hopes to return that to others, always striving to help others make things better for the entire organization.
Ms. Elena Riolo
I was lucky enough to be born into a large, loud, loving Italian family. My grandparents set roots down here in the Sacramento valley because it reminded them of Sicily. While growing up our family had a cabin in Lake Tahoe and I consider this my second home. Graduated from Sacramento High School and Consumes River College and then entered the business world until I started my family. That’s when I became the CFO/CEO of our family, toughest and best job ever. During this time I worked 9 years for a company processing accounts payable and payroll. I have 3 smart, beautiful and strongly independent adult daughters who are out in the world helping make it better. As lucky as I was before with my family I now have a new family here at River Charter Schools.
Mrs. Nichole Colgrove
Nichole started working at Delta Elementary Charter School in August of 2016. Thriving in a high demand environment that constantly kept her on her toes, she was able to help develop policies and procedures to help keep DECS organized and in compliance with reporting policies. Her organizational skills and attention to detail made her an excellent office manager, she will now take those skills to her new role as Data Coordinator for River Charter Schools. Managing everything data for both sites, as the schools have grown, a position like this has become necessary. Nichole will miss being in the office and the day-to-day workings of being on campus but will be able to make the most of her time supporting RCS with its data needs as they continue to grow and improve. Nichole grew up living in Clarksburg and can’t imagine raising her family in a more beautiful community. She has three amazing children and a wonderful husband who support her through everything.
Ms. Aristea Walker
Manager of Information Technology
As a Communications Specialist in the United States Air Force I trained in many facets of Information Technology. It was during my enlistment that I realized my passion for technology and the value of teamwork. My thirst for knowledge led me to receiving many industry leading certification such as CompTIA A+, Microsoft MCP, and MCSA as well as degrees in Information Technology and Management. I hope to inspire our young leaders and scholars to think outside box and to view technology as a puzzle that can be solved.