Riverdale Ridge High School

13380 Yosemite Street, Thornton, CO 80602

Public School · School District 27j · 1,784 students

No alumni site yet

Be the hero your class has been waiting for.

Riverdale Ridge High School doesn't have an alumni site yet — but it could. AlumniSites gives your school a permanent home on the web where graduates from every class can reconnect, share memories, and stay in touch.

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Your own domain — A dedicated site like lawndalehigh.org — not a Facebook group that disappears.
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Class pages & photos — Every graduating class gets its own page with photos, memories, and a member directory.
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Stay connected — Members get notified of reunions, news, and updates from their school community.
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Up and running fast — We handle setup, hosting, and support. You focus on building your community.
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Affordable — Simple monthly pricing based on your school's size. No surprise fees.
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Questions? Email [email protected] — we typically respond within one business day.