Dawn Lafferty Hochsprung became Sandy Hook Elementary School's principal 2 years ago and died protecting her students. It's believed she turned on the PA system to warn others of the shooter. Hochsprung had two daughters and three step-daughters.

School psychologist Mary Sherlach was with the principal. Sherlach was part of several crisis intervention committees. She lived with her husband for more than three decades and together they were proud parents of two daughters.

Victoria Soto was a first grade teacher. Soto, moved her students into the closet as the gunman burst in. The 27-year-old will forever be remembered as a hero.

Rachel Davino had worked at Sandy Hook for a little more than a week.

Anne Marie Murphy was a teacher. Police told her parents, Hugh and Alice McGowan, that Murphy helped shield some of her students from the gunman’s bullets.

30-year-old Lauren Rousseau had just become a permanent substitute teacher at Sandy Hook in November. Her mother said "she wanted to be a teacher from before she even went to kindergarten. We take comfort in knowing that she achieved that dream."

6-year-old Olivia Engel loved school, was good at math and reading. Nothing was off limits for the little girl whose favorite colors were pink and purple.

Noah Pozner celebrated his sixth birthday with his twin sister in November. She survived the shooting, he did not. Noah's uncle recalled him as "extremely mature."

6-year-old Emilie Parker. The little girl with blonde hair and bright blue eyes would've been the first to comfort her classmates her dad said.

6-year-old Ana Marquez Greene was the daughter of a jazz musician, Jimmy Greene. Her father says they're struggling to work through this nightmare.

Caroline Previdi was 6 years old. She once went by the nickname “Boo” because she looked like the girl character in the movie “Monsters, Inc.,” a family friend told the Washington Post. Another friend said Caroline loved gymnastics.

Like most first graders, 6-year-old Jesse Lewis was excited for the holidays.  He couldn't wait to go to school on Friday because they were making gingerbread houses.

6-year-old Dylan Hockley had blue eyes, dimples and the most mischievious little grin, his grandmother said. He loved video games, jumping on the trampoline and watching movies.

Catherine Hubbard was also only 6. In a statement her family wrote, "we ask that you continue to pray for us and the other families who have experienced loss in this tragedy."

Grace McDonnell was 7. Her family said "our daughter Grace was the love and light of our family. Words cannot adequately express our sense of loss."

Chase Kowalski was 7. James Mattioli was 6. Chase was always outside, playing in the backyard, riding his bicycle. Just last week, he was visiting neighbor Kevin Grimes, telling him about completing — and winning — his first mini-triathlon.

Jessica Rekos and Charlotte Bacon were both 6 years old. Rekos was the daughter of a sixth grade teacher in the Bridgeport School District. Bacon's mother relented on Friday and let Charlotte wear her Christmas dress and boots to school.

Daniel Barden & Josephine Gay were both 7 years old.

Barden loved swimming and soccer, according to the Wall Street Journal.

Gay had just celebrated her seventh birthday on Tuesday.

Avielle Richman, 6, loved riding horses. Her trainer said she would “giggle when she trotted” and liked to wear her pink cowboy boots.

Jack Pinto was a member of the Newtown Youth Wrestling Association and a huge fan of the New York Giants.

Madeleine Hsu, Benjamin Wheeler & Allison Wyatt were 6 years old. Benjamin Wheeler was the son of New York art director David Cole, and Francine Wheeler, a singer-songwriter and music teacher, according to the New York Post.