Celina Antonellis

Parents: James and Tiffany

Honors: Valedictorian, National Honor Society

Awards: Athlete-of-the-month, Mid-Wach B Softball All-Star, Mid-Wach Academic All-Star, Harvard Book Award recipient, President's Volunteer Service Award, Student-of-the-Month, U.S. History II Excellence, Health Excellence, Anatomy and Physiology Excellence, English Excellence, Spanish Excellence, Learning Expectations Award, Academics AP Statistics, AP Chemistry, AP U.S. History, AP English Language, AP Biology, AP U.S. Government, AP Calculus

Activities: Class President, Leadership Team President

Sports: V basketball (senior captain), V softball (junior and senior captain)

Plans: Bucknell University to major in biochemistry, hoping to work in medical research and also received a scholarship to play on the women's softball team.

What you will miss: "The atmosphere, mainly, the respect I have for and from my friends and teachers."

Favorite high school memory: "Playing my last game with the varsity basketball team."

Sisi Liu

Parents: Yanping Zhan and Frank

Honors: Salutatorian, Music Honor Society

Awards: Dartmouth Alumni Book Club; Excellence in French; Excellence in English; 2011 Prep-Op Intermediate Gymnastics State Champion Vault and Balance Beam, 2nd Place All-Around; MA Association of School Superintendents' Academic Excellence

Academics: AP U.S. History, AP Chemistry, AP Statistics, AP Calculus BC, AP Computer Science, AP English Literature, AP Physics C: Electricity and Magnetism

Activities: Math Team, captain (grades 11-12); GDHS Academic Team, typist; ARML Math Team (grades 11-12); Girls Angle Math Magazine internship (a nonprofit initiative to increase interest in math for girls); GDHS Concert and Jazz Bands, clarinet; gymnastics (grades 6-12) MHS website; New York Service Learning Group (grade 9), student volunteer at soup kitchens, CityHarvest veggie collection, Meals-On-Wheels, Lilian-Wald Preschool and NYC service trip, including fund-raising

Plans: University of Chicago, study economics, computer science or film, long-term plans include Wall Street, film production and the Peace Corps; summer internship at Lego Robotics camp

What I will miss: "The wonderful teachers and classmates who care about a student's well-being, success and happiness."

Favorite high school memory: "The camaraderie I found in commiserating with my friends about too-frequent piles of homework, supporting each other and eventually working together to get through it."

Laura Donovan

Parents: Barbara and Tim

Honors: Music Honor Society, International Thespian Society

Awards: Bronze award for Girl Scouts; Most Improved Player in freshman soccer; Student-of-the-Month, twice for top 5 percent and National Merit Commended Scholar; English award (11)

Academics: Honors classes, AP Language and Composition AP Calculus BC, AP English Literature and Composition, Honors Concert Band

Activities: Drama Guild member, techie in several GD Players productions; Pep Band member (9, 10, 11); Concert Band (both in school and extracurricular); Writers' Club

Sports: Freshman and JV soccer, 9, 10, 11

Plans: Tufts University (study languages or linguistics)

What you will miss: "I know I'll miss my friends and the excellent faculty at the high school, as well as the arts programs and those passionate people involved with same."

Favorite GDHS memory: "I think my favorite memory from high school is the 2011 music trip to New York City, where we had so much time to explore and hang out with people with whom we normally wouldn't even talk. Even on the most recent music trip to New York, people kept recalling the trip three years prior. It was a great time."

Jessica Chu

Parents: Karen and Philip

Honors: National Honor Society

Awards: Distinguished Work Ethic; Respects Self and Others

Academics: Honors classes, AP Calculus BC, AP U.S. History, AP Environmental Science, AP Literature, AP Statistics

Activities: Student Council, co-president; Peer Leaders; Gymnastics

Plans: Northeastern University, major Doctorate of Physical Therapy program

What I will miss: "I will miss all of my friends and the supportive network of teachers and staff members at GD."

Favorite high school memory: "My favorite memory is going to Costa Rica with 3 other students and Mr. Fitz. The trip was amazing. We saw an immense amount of wildlife and learned a lot about the country. It was unforgettable and I am so lucky to have had this experience."

Chris Huber

Parents: Jane and Jeff

Honors: National Honor Society; Music Honor Society; National Merit Commended Scholar

Awards: Rensselaer Medal; Boston Globe Scholastic Art and Writing Gold Key for Photography; Excellence in Latin; Excellence in U.S. History; GDRHS Precise and Effective Communication; GDRHS Critical Thinking and Reasoning; Eagle Scout Award

Academics: AP Calculus; AP English Literature; AP Physics C: Electricity and Magnetism; AP Chemistry; AP Statistics; Latin V; Concert Band (trumpet); honors Jazz Band (trumpet)

Activities: Boy Scouts of America; GDYBL Rec basketball; Pep Band; Latin Club; Math Team, senior member; Academic Team, founding member; piano; Academic Team; Peer Leaders

Sports: GDHS Ultimate Frisbee team

Plans: Cornell University, major in electrical engineering

What I will miss: "My friends, my teachers, and the entire GDRHS community, who have all made me who I am today."

Favorite high school memory: "Too many to choose just one! One of my favorites was the Band Trip to New York City this year: I saw Aladdin on Broadway, helped Jazz Band win 1st place overall band, and rode all the roller coasters at Six Flags. My friends and I had a blast!"

Katherine (Katie) Harte

Parents: Karen and Bill

Honors: National Honor Society

Awards: Coaches Award in varsity and JV volleyball, Excellence in Ceramics, Honorable Mention in mathematics competition at Fitchburg State University

Academics: Honors classes for all four years, AP Statistics, AP Calculus BC, AP English Literature and Composition

Activities: Peer Leaders (teaching coordinator and project coordinator), Girl Scouts, Math Team, Academic Team, Big Book: Pages for Peace, Women's History Month Committee, cashier at Market Basket, volunteer at Rivercourt Residences and Nashoba Valley Medical Center

Sports: Varsity, JV, freshman, and club volleyball (captain of varsity and freshmen teams), JV and freshmen basketball

Plans: University of Rhode Island, major Doctorate of Pharmacy six-year program. "My goal is to improve the quality of people's lives."

What I will miss: "My friends and all of the amazing teachers who have made my experience at GD truly memorable."

Favorite high school memory: "This past fall when the Varsity Volleyball Team finally won against our rivals, North Middlesex. This was the first time that the volleyball team from GD had ever done this, and it was an exhilarating feeling when we finally won!"

Christopher Marsh

Parents: Natalie and Dean

Honors National Honor Society: Tri-M Music Honor Society

Awards: Excellence in History, grades 10 and 11

Academics Honors: AP Statistics; AP Chemistry; AP English Literature; AP Calculus BC

Activities: GDRHS concert and jazz bands; baritone saxophone; Academic Team; Math Team; Peer Leader; Boy Scout; employed at Ace Hardware

Plans: Northeastern University, major -- college of engineering, honors program. "I dream of working as a chemical engineer developing new and exciting alternative energies."

Favorite high school memory: "During my freshman year, the night we found out that the music program had swept competition ... it showed me what the school is capable of and what I had to look forward to in later years."

Bryce McLaughlin

Parents: Lisa and Hugh

Honors: National Honor Society (officer); Music Honor Society

Awards: Excellence in Geometry, Excellence in Algebra, Excellence in Pre-Calculus, Excellence in Chemistry, Excellence in Physics; GDRHS Critical Thinking; 2nd place math competition (grade 10)

Academics: High Honors, AP Chemistry, AP Physics, AP Biology, AP Literature and Composition, AP U.S. History, AP Calculus BC

Activities: Jazz and Concert band, first trumpet; Poetry Slam Team; Special Olympics Partner (3 seasons); Boy Scouts of America; tutoring

Sports: Soccer, basketball (grade 9), cross country JV and V (grades 10, 11 and 12), captain grade 12; GDRHS Ultimate Frisbee team

Plans: Harvey Mudd College, major in chemistry and physics, future plans of PhD

What I will miss: "My friends and family as I'm going so far away, but also the northeast White Mountains I've climbed a lot, and it's absolutely serene."

Favorite high school memory: "During junior year on the Ultimate Frisbee team at the Greenfield tournament, we were in a fourth round consolation match and it was pouring rain, impossible to see, throw or catch. We were slipping and sliding all over the place. I decided to pull a penguin slide and then both teams randomly performed penguin slides for the duration of the game."

Alec Sheffield

Parents: Janet and Kim

Honors: Music Honor Society, Officer

Awards: St. Michael's Book Award for Academic Achievement in Social Conscience; Abigail Adams Scholarship

Academics: Honors; AP Chemistry, AP Biology, AP Calculus

Activities: Jazz Band, guitarist (grades 9-12); Concert Band, saxophone (grades 9-12); Tai Chi

Sports: Cross Country (grades 9, 10, 11); track & field (grades 9, 10, 11); Ski Team (grade 9)

Plans: Colorado College, major in neuroscience and genetics

What I will miss: "I'll miss all of the people that I've met along the way, teachers and students alike. You have been and will always be my family."

Favorite high school memory: "The good old days of intellectual discussion with my fellow classmates. I only hope I can find minds as brilliant as the ones at Groton-Dunstable.

Ariana Cho

Parents: Yong Nam and Young Sook

Honors: National Honors Society

Awards: Career and Life Management Class Award; Respect for Self and Others Award; Brian Walsh Award for Excellence in Academics and Athletics; Freshmen Soccer Coach's Award; Elizabeth Haskins Math Award; Outstanding Work Ethic Award; 21st Century Leadership Award

Academics: AP Environmental Science, AP Statistics, AP History, AP Literature and Composition, AP Language and Composition, AP Psychology, AP Calculus AB Seminar

Activities: Student Council, co-president; Leadership Team, vice president; National Honors Society, vice president; Peer Leaders; School Improvement Council; School Committee

Sports: Freshmen soccer; JV basketball; varsity softball

Plans: Boston College, majoring in Communications

What you will miss: "I will miss all of my friends and teachers, who have helped me become the person I am today."

Favorite GDHS memory: "My AP Language class ... a great teacher and a great group of kids, making rhetorically significant jokes and watching emotional commercials. I looked forward to this class every day. This class helped me decide my major in college."