Ms. Rose’s Environmental Science Cleans Up at Liberty State Park May 10, 2018May 10, 2018County Prep High School, CPHS, District, FeaturedLeave a comment Jersey City, NJ. Once a month, Mrs. Rose’s Environmental Science class has a field trip to Liberty State Park. Pictured here on March 28, 2018 are the students who cleaned the gardens around the Interpretive Center.