ABC News' Uvalde 365 team partnered with "Nightline" and followed the journey of Uvalde victim Tess Mata's family a year after her death, and how they found strength and resilience in each other.

ABC News' John Quinones reports on the significance of the number 21 in Uvalde and how the high school sports program is making sure that number is never forgotten.

ABC News' Maria Salinas reports on the story of Maite Rodriguez and the green Converse shoes she wore to Robb Elementary, as one year later the shoes serve as a symbol for the push for change.

ABC News follows Arnie Reyes, the sole survivor from classroom 111 at Robb Elementary, following his struggles to heal from his physical injuries while mourning the loss of his students and coworkers.

It's been a year since 19 students and two teachers were killed at Robb Elementary by a mass shooter, and leaders and families say more needs to be done to stop gun violence.

Plans are moving forward to demolish the site of the school shooting last year in Uvalde, Texas, officials said Monday.

A year after the Uvalde shooting, Robb Elementary is still using the same emergency alert platform that some say failed to sufficiently warn staffers of the attack.

One year since the deadly school shooting at Robb Elementary, President Joe Biden called on Congress to pass more legislation on guns.

Nineteen children and two teachers were killed in the shooting at Robb Elementary School in Uvalde, Texas, on May 24, 2022.

Nearly a year after the mass shooting at Robb Elementary, two survivors received an award for their heroic calls to 911. ABC News contributor Maria Elena Salinas explains.

ABC News' John Quinones joins us from Uvalde, Texas, to discuss how families are honoring the lives of the students and educators who were killed.

Despite challenges, the decision to return to teaching was not difficult for Mercedes Salas.

ABC’s John Quiñones shares how the community of Uvalde, Texas, is healing one year after the horrific shooting at Robb Elementary school where 19 students & two teachers were killed.

Noah Orona survived the May 24, 2022, shooting in Uvalde, Texas, that killed 19 children and two adults.

ABC’s John Quiñones shares the story of an 11-year-old survivor recovering from the Robb Elementary School shooting one year after the tragedy.

For “20/20 It Happened Here – A Year in Uvalde,” moms said they liked murals honoring 21 lives lost at Robb Elementary in Texas, because they preserved joys the victims left behind. Stream on hulu.

Arnie Reyes, the sole survivor from classroom 111 at Robb Elementary, struggles to heal from his physical injuries while mourning the loss of his students and coworkers.

Nineteen children and two teachers were killed at Robb Elementary School. Parents of victims visited the site on Thursday for the first time since the shooting.

Arnie Reyes, the sole survivor from classroom 111 at Robb Elementary, struggles to heal from his physical injuries while mourning the loss of his students and coworkers.

A mass shooting brought immense grief to Uvalde, Texas, but the community united for Uvalde High School's first football game after the tragedy.

Miah Cerrillo survived the shooting at Robb Elementary School that killed two of her teachers and several classmates.

Mercedes Salas was in room 106 when a gunman entered and started firing an AR-15 on May 24, 2022.

"20/20" shares an unprecedented and complete account of what happened in during the Robb Elementary school shooting.

Ana Rodriguez's whose daughter, Maite, was killed in the May 2022 elementary school mass shooting in Uvalde, Texas.

Robb Elementary School fourth-grade teacher Arnulfo Reyes was watching a movie with 11 of his students when he heard shots ring out.

When Jazmin Cazares graduates high school this spring, she won't have her little sister, Jackie, there to cheer her on.

Kim Rubio's 10-year-old daughter, Lexi, was among the 19 children and two teachers killed in the Uvalde, Texas, elementary school mass shooting.

Jerry Mata's bubbly 10-year-old daughter, Tess, was among the 19 children killed in the Robb Elementary School massacre last year.

Caitlyne Gonzales, 10, survived the massacre at her Uvalde, Texas, elementary school. Twenty-one people, including her best friend, Jackie, were killed.

ABC News’ Mireya Villarreal and John Quiñones discuss life in Uvalde, Texas, since the horrific shooting on “This Week.”

ABC News' John Quinones shares the year-long reporting on the Texas community following the mass shooting that took the lives of 19 students and two teachers.

Texas gets ready to mark one year since that incomprehensible school shooting at Robb Elementary. ABC's John Quinones has more as part of the 20/20 special "It Happened Here."

The family of nine-year-old Jacklyn Cazares who was killed during the Robb Elementary shooting, said their daughter and the events of May 24th are constantly on their minds.

“GMA3” takes a look at the “20/20” documentary chronicling the Uvalde community’s one-year journey after the Robb Elementary school tragedy.

Nineteen children and two teachers were fatally shot during a mass shooting at Robb Elementary on May 24, 2022.

Next week marks one year since the tragedy at Robb Elementary, where a gunman killed 19 children and two teachers.

Although it was their daughter Lexi’s final home, Kimberly and Felix Rubio decided it was best for their family to move across town after she was killed in the Robb Elementary shooting.

Daniel Garza was nine years old and in a classroom on May 24th where his teacher, Elsa Avila, was injured but survived after being shot by a stray bullet that’s believed to have gone through walls.

“20/20” documented families of victims and survivors present at Robb Elementary during the May 2022 incident.

Kimberly Rubio, who went back to school to give her family a chance at a better life, graduated after losing her daughter Lexi in the Robb Elementary School shooting last May.

Jazmin Cazares, the teenage sister of 9-year-old victim Jackie, is fighting across the country to bring attention to her family’s loss and fight for gun safety reform.

Ana Rodriguez, a single mother who lost her youngest child, Maite, in the Robb Elementary School shooting, is determined to carry on her daughter’s legacy.

Threatening posts targeted several several school districts including Uvalde, Del Rio and Eagle Pass.

Jerry Mata, whose 10-year-old daughter Tess was killed in the shooting, still visits Robb Elementary to talk to her, where he says he most feels her presence.

Kimberly Rubio, who went back to school to give her family a chance at a better life, graduated after losing her daughter Lexi in the Robb Elementary School shooting last May.

Jazmin Cazares, the teenage sister of 9-year-old victim Jackie, is fighting across the country to bring attention to her family’s loss and fight for gun safety reform.

Ten-year-old Caitlyne Gonzales survived the shooting at Robb Elementary and has taken to advocacy to speak for her friends who, Caitlyne says, can no longer speak for themselves.

Gun control activists, Texas family members still reeling from losing loved ones and bipartisan lawmakers say they hope their partnerships could usher in change.

They want a law raising the age to 21 to buy assault rifle-style weapons.

The rotunda of the Texas state Capitol echoed Monday with pleadings from more activists who gathered in Austin to demand the legislature take action on gun reform.