Highland Grove, opened in 2005, is one of the newest schools within the Redlands Unified School District. If you cannot locate the answer to your question(s) or need additional information, please don’t hesitate to contact us directly through the school office at (909) 307-2420. We are committed to providing our families and community current and timely information about Highland Grove’s happenings. Thank you for visiting our school website. Welcome to Highland Grove Elementary School, home of the GRIZZLIES!