This document provides guidance for site coordinators for the 68th Annual Los Angeles County Science & Engineering Fair. It outlines the responsibilities of site coordinators, which include enrolling their school in the fair, recruiting an advisory committee representative, overseeing student research projects, and preparing students for the fair. It also details important deadlines and requirements for projects requiring pre-approval, such as those involving human subjects, vertebrate animals, or hazardous materials. The document aims to ensure site coordinators understand the procedures and policies of the science fair.