Dana Sundal is in her 21st year with the Tri-Valley School District and received the Classified Staff Member of the Year for the 2024-2025 school year. Sundal is the Office Specialist and Substitute Coordinator. (Photo/Submitted) Marylou Nagel | Writer Mrs. Dana Sundal was recently awarded Tri-Valley Classified Staff Member of the Year for the 2024-2025…

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