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Nikki Seibert

  • Nikki Seibert

    Activities Director, Vice Principal

    Contact Admin Staff

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    nseibert@riacademies.net



River Islands Athletics

16601 Riptide Way

Lathrop, California 95330

(209) 717-6715

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  • Home
  • Teams
  • Schedule & Results
    • Calendar
    • Sync Schedule
    • Dismissal
  • Athletic Department
    • Athletic Dept Info
    • Coaching Staff
  • Athletic Clearance
  • RIHS Store
  • Game Tickets
  • Baseball
    Schedule Roster
  • Basketball, Boys
    Schedule Roster
  • Basketball, Girls
    Schedule Roster
  • Cheer
  • Cross Country, Boys
    Schedule
  • Cross Country, Girls
  • ESports
  • Football
    Schedule
  • Golf, Boys
    Schedule Roster
  • Golf, Girls
  • Soccer, Boys
    Schedule Roster
  • Soccer, Girls
    Schedule Roster
  • Softball
    Schedule Roster
  • Tennis, Boys
    Roster
  • Tennis, COED
    Schedule
  • Tennis, Girls
    Roster
  • Track & Field, Boys
    Schedule Roster
  • Track & Field, Girls
    Schedule Roster
  • Volleyball, Boys
    Schedule Roster
  • Volleyball, Girls
    Schedule