CARL RUSSO/staff photo Whittier Technical graduate, Dylan Laliberte of Merrimac, a Plumbing and Heating major celebrates with a back flip to the delight of science teacher, Dave Charbonneau, left and english teacher, Matthew Malynn after receiving his diploma Thursday night. Whittier Regional Vocational Technical High School in Haverhill is one of the first schools to have a regular ceremony for their seniors. It was a fitting send off for a class that saw the end of its junior year interrupted by the COVID-19 pandemic and much of its senior year taking place remotely. 6/3/2021