Nursing Services

  • Welcome to Liberty Union High School District's home page for students with health care needs. Our District Nurse for the LUHSD is Christina Mashore. Christina is in our district Monday-Friday from 8am-3pm. You may reach her at or 925-252-5052.

    Christina has been a Registered Nurse for over 15 years and holds a Bachelor of Science degree in Nursing, is a Public Health Nurse, and has a preliminary School Nurse Credential. She joined our district in 2018 after working 17+ years at a local Bay Area trauma hospital. Her clinical experience includes acute medical and surgical care with a specialty in Trauma services. 

    Each comprehensive site has a Health Clerk who is on campus daily and may be reached at the following extensions:

    Freedom High School:      Rachel Murphy            925-625-5900 x3013

    Heritage High School:       Nickie Johnson           925-634-0037 x6000

    Liberty High School:         Heather Radebaugh    925-634-3521 x5212

    Please remember all healthcare plans need to be renewed at the beginning of the school year. Please see your site representative for any questions or concerns.

    Thank you,

    Christina Mashore, RN, BSN, CMSRN, PHN 

    School Nurse

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Immunizations for School Entry

  • To protect children against serious infections, the California school immunization law requires them to receive immunizations before entry to school. In addition, the law requires schools to enforce immunization requirements, maintain immunization records of all children enrolled, and submit reports to public health agencies.

    No shots no shots spanish

    Changes to California school immunization requirement regulations will become effective starting July 1st, 2019. Starting in the 2019-2020 school year, the changes include, but are not limited to:
    • Requiring 2 (rather than 1) doses of chickenpox (varicella) vaccine at Kindergarten entry, 7th grade advancement, K-12 admission or transfer.
    • Requiring 2 MMR doses and 3 Hepatitis B vaccine doses at admission or transfer more uniformly throughout K-12 (age restrictions are removed).
    • Medical exemptions for new admissions may be signed only by a California-licensed MD/DO.
    • Each temporary medical exemption may be issued for no more than 12 months.

    California School Immunization Law

    California Health and Safety Code, Sections 120325-120375
    Under these statutes, children in California are required to receive certain immunizations in order to attend public and private elementary and secondary schools, child care centers, family day care homes, nursery schools, day nurseries, and developmental centers (pre-kindergarten facilities). Schools, and pre-kindergarten facilities are required to enforce immunization requirements, maintain immunization records of all children enrolled, and submit reports.

    California Code of Regulations Title 17 Division 1, Chapter 4, Subchapter 8
    These regulations specify California school immunization requirements and provide additional clarifications of the law. Also available at


    More Information

    CA Immunization Requirements

    CA Immunization Requirements (Spanish)

    Contra Costa County Public Health Immunization Clinics

    For all immunization questions, please refer to


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