Skip to content

Wilkipedia

More

Cafeteria menu Clubs Sports Summer homework School info Leaderboard Teachers Community rules About Official Wilcox website

Rosana Vratny

Science

Classes

Chemistry in the Earth System
Honors Chemistry in the Earth System

Listed in the staff directory as: Chemistry, Chemistry H. Each class page has a section on how this teacher runs it.

Wilkipedia is written by Wilcox students, for Wilcox students. It is an independent student project, not an official Wilcox High School or SCUSD site.

Community rules · Privacy · About · Contribute · Official Wilcox High School website ↗

Course descriptions: SCUSD High School Course Catalog 2025–2026. Teacher lists: Wilcox High School staff directory, September 2026. Everything else is written by students and checked by reviewers. It may be out of date, so always confirm with your teacher.