 The city has two private schools , Lock Haven Christian School , with about 80 students in kindergarten through 12th grade , and Lock Haven Catholic School , which had about 190 students in kindergarten through sixth grade as of 2002 – 03 . In 2015 , the Catholic School is completing a 10 @,@ 000 @-@ square @-@ foot ( 930 m2 ) expansion to include grades seven and eight , which will make it a combined elementary and middle school . 
