Skip To Main Content

Administrative Services

Dale Lee

Assistant Superintendent of Administrative services

DaleĀ Lee brings over two decades of leadership across both the business and education sectors. With a Bachelor’s degree in Business Administration and a Master’s in Teaching,Ā DaleĀ spent 15 years as a self-employed entrepreneur, specializing in e-commerce and business development, before transitioning into education.

In the public education space,Ā DaleĀ has served as a math teacher, curriculum coordinator, director of assessment and accountability, and most recently as Assistant Superintendent of Educational Services. In these roles,Ā DaleĀ led district-wide initiatives, including the rollout of a common digital curriculum and the successful implementation of a new student information system, driving innovation and systemic change.

In the current role as Assistant Superintendent of Administrative Services,Ā DaleĀ oversees district reporting, compliance, student data systems, staffing, and facilities and maintenance—bringing a strategic and solutions-oriented approach to operational excellence.

Shelly Slocomb

Data System Coordinator

Shelly Slocomb serves as the Data Systems Coordinator at Excelsior Charter Schools, bringing over a decade of experience in educational support and operations. Ā She began her career in the Educational Services Department where she contributed to student-facing support initiatives before transitioning into her current role within the Administrative Services Department managing complex data systems that support school operations and student achievement.

As Data Systems Coordinator, Shelly plays a key role in managing student information systems, support and ensuring accurate reporting, compliance, and data integrity across the organization. Her cross-departmental experience allows her to bridge the gap between instructional goals and operational execution.

Shelly is currently pursuing a Bachelor’s Degree in Computer Science, expanding her technical expertise to better serve the evolving needs of the school system. Her passion lies in using data to streamline processes and enhance educational outcomes.

Christopher Marzullo

Facilities Coordinator

Ā 

Ā 

We are pleased to provide you excellent services in the areas of:

We are committed to supporting student success by aligning organizational systems, resources, and strategic initiatives with the goals of continuous improvement and educational excellence. Through the development and maintenance of effective data systems, we provide accurate and timely insights that support informed decision-making, accountability, and program effectiveness.

In collaboration with leadership teams, we help develop and refine policies, procedures, and organizational practices that strengthen efficiency, consistency, and overall effectiveness. We strategically support budgeting, staffing, and resource allocation to ensure instructional programs and student services are positioned for success.

We value strong relationships and prioritize clear, consistent communication with staff, families, and community partners to foster collaboration and trust. Additionally, we are dedicated to supporting personnel through effective supervision, evaluation, and ongoing professional growth that promotes high-quality performance across the organization.

Maria Westfall

Department Assistant II

760-245-4262 ext. 1368

mariaw@excelsior.com

 

 

 

 

 

 

 

 

 

 

 

 


Caylee Cosbey

Business System Technician

760-245-4262 ext. 1233

cayleec@excelsior.com

 

 

 

 

 



 

 

 

 


Cody Willis

Facilities Supervisor (High Desert)

760-245-4262 

codyw@excelsior.com

Martin Amesquita

Facilities Supervisor (Inland Empire)

760-245-4262 

martina@excelsior.com

Jubentino Islas

HVAC

760-245-4262 

jubentinoi@excelsior.com