The Worst Mass School Shootings in Modern American History

The 10 people killed at Santa Fe High School in Texas are the latest victims of what seems to be an epidemic of mass shootings across the United States, many of which playing out inside our nation's schools. Eight students and two teachers were allegedly killed by a teen who is now in police custody. Just three months ago, 17 people were killed at Marjorie Stoneman Douglas High School in Florida. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.

Latest Videos

Long Lost Ancestors Come Alive Through Photo Animation Technology

Long Lost Ancestors Come Alive Through Photo Animation Technology

Epic Stories About People and Things That Fell Through Ceilings

Epic Stories About People and Things That Fell Through Ceilings

X-Project Athletes Paraglide Over Cliffs in Swiss Alps for New Extreme Sport

X-Project Athletes Paraglide Over Cliffs in Swiss Alps for New Extreme Sport

Felicity Huffman Struggled With Moral Dilemma of Admissions Scandal, Says Author

Felicity Huffman Struggled With Moral Dilemma of Admissions Scandal, Says Author

How the Heaven’s Gate Cult Shocked America

How the Heaven’s Gate Cult Shocked America

Animal Rescues Are Saving Endangered Species Like Platypus, Rhinos and Elephants

Animal Rescues Are Saving Endangered Species Like Platypus, Rhinos and Elephants

FBI Arrests Trump Appointee Federico Klein for Allegedly Beating Cop at Capitol

FBI Arrests Trump Appointee Federico Klein for Allegedly Beating Cop at Capitol

Meghan Markle Defended by Kamala Harris’s Niece Meena Harris

Meghan Markle Defended by Kamala Harris’s Niece Meena Harris

‘Restaurant Hunter’ Host Rob Petrone Almost Died at 41 From a Heart Attack

‘Restaurant Hunter’ Host Rob Petrone Almost Died at 41 From a Heart Attack

Spring Breakers Partying Leaves Many Concerned Over Possible COVID-19 Spike

Spring Breakers Partying Leaves Many Concerned Over Possible COVID-19 Spike

Greenpeace Activists Sneak Into Paris Airport, Paint Air France Boeing Green

Greenpeace Activists Sneak Into Paris Airport, Paint Air France Boeing Green

Dutch Inventor’s Chamber May Detect COVID-19 With a Loud Scream

Dutch Inventor’s Chamber May Detect COVID-19 With a Loud Scream

Swarms of Locusts Threaten Farms and Livelihoods in Kenya and East Africa

Swarms of Locusts Threaten Farms and Livelihoods in Kenya and East Africa

19-Year-Old Aniah Blanchard’s Biggest Fear Was Being Kidnapped, Roommate Says

19-Year-Old Aniah Blanchard’s Biggest Fear Was Being Kidnapped, Roommate Says

MorningSave Lifestyle Expert Shares Amazing Deals on Home Products

MorningSave Lifestyle Expert Shares Amazing Deals on Home Products

7 Students Die in Deck Collapse at Bolivia’s El Alto Public University

7 Students Die in Deck Collapse at Bolivia’s El Alto Public University

Garbage-Strewn Southern California Yard Is a Candidate for ‘Hoarders’

Garbage-Strewn Southern California Yard Is a Candidate for ‘Hoarders’

3 Doctors Spring Into Action to Save Woman’s Life Saved on Plane

3 Doctors Spring Into Action to Save Woman’s Life Saved on Plane

Music Teacher Sings for His Neighbors From His Brooklyn Stoop

Music Teacher Sings for His Neighbors From His Brooklyn Stoop

Should Texans Be Allowed Vaccines if the State Is Easing COVID-19 Restrictions?

Should Texans Be Allowed Vaccines if the State Is Easing COVID-19 Restrictions?

Missing Idaho Kids

Lori Daybell’s 3rd Husband's Death Will Be Reviewed by Phoenix Police

Lori Daybell’s 3rd Husband's Death Will Be Reviewed by Phoenix Police

Justice for JJ and Tylee: Everything to Know About the Daybell Case

Justice for JJ and Tylee: Everything to Know About the Daybell Case

Lori Vallow Daybell Enters Plea in Case Involving Her Kids JJ and Tylee

Lori Vallow Daybell Enters Plea in Case Involving Her Kids JJ and Tylee

Chad Daybell Took Faith to 'Dark Places,' Latter-day Saints Scholar Says

Chad Daybell Took Faith to 'Dark Places,' Latter-day Saints Scholar Says

5 Revelations About What Happened to JJ and Tylee

5 Revelations About What Happened to JJ and Tylee

Lori and Chad Daybell’s Disturbing Phone Call About Children’s Remains

Lori and Chad Daybell’s Disturbing Phone Call About Children’s Remains

Chad Daybell Hearing: Witnesses Share Secret Recording, Disturbing Testimony

Chad Daybell Hearing: Witnesses Share Secret Recording, Disturbing Testimony

Mom of Missing Idaho Kids Charged With Conspiracy to Destroy Evidence

Mom of Missing Idaho Kids Charged With Conspiracy to Destroy Evidence

Joshua 'JJ' Vallow 'Just Really Did Love Everyone,' Teachers Remember

Joshua 'JJ' Vallow 'Just Really Did Love Everyone,' Teachers Remember

Lori Vallow Daybell's Late Husband: 'I Just Don't Want Her to Hurt Anybody'

Lori Vallow Daybell's Late Husband: 'I Just Don't Want Her to Hurt Anybody'

Lori Daybell’s Brother's Phone Data Helped Cops Find Missing Idaho Kids: Report

Lori Daybell’s Brother's Phone Data Helped Cops Find Missing Idaho Kids: Report

Lori Daybell Was Involved in Charles Vallow's Death, His Ex-Wife Believes

Lori Daybell Was Involved in Charles Vallow's Death, His Ex-Wife Believes

What We Know About Chad Daybell Following His Arrest in Missing Idaho Kids Case

What We Know About Chad Daybell Following His Arrest in Missing Idaho Kids Case

Missing Idaho Kids: Why Wasn’t Chad Daybell’s Land Thoroughly Searched Sooner?

Missing Idaho Kids: Why Wasn’t Chad Daybell’s Land Thoroughly Searched Sooner?

Chad Daybell's Bond Set at $1 Million After Human Remains Found in Yard: Cops

Chad Daybell's Bond Set at $1 Million After Human Remains Found in Yard: Cops

Missing Idaho Kids Case: Unidentified Human Remains Found on Chad Daybell’s Land

Missing Idaho Kids Case: Unidentified Human Remains Found on Chad Daybell’s Land

FBI Searches Chad Daybell's Home as Friend Tells Him to 'Do The Right Thing'

FBI Searches Chad Daybell's Home as Friend Tells Him to 'Do The Right Thing'

Lori Vallow Daybell's Friend Calls Relationship With Chad 'Fatal Attraction'

Lori Vallow Daybell's Friend Calls Relationship With Chad 'Fatal Attraction'

JJ Vallow's 8th Birthday Commemorated By Grandparents as Search Continues

JJ Vallow's 8th Birthday Commemorated By Grandparents as Search Continues

Lori Vallow Daybell's Late Husband Told Police 'She's Lost Her Reality'

Lori Vallow Daybell's Late Husband Told Police 'She's Lost Her Reality'

Investigations

Dangerous Bacteria Might Be Lurking on Some of Your Kids’ Toys

Dangerous Bacteria Might Be Lurking on Some of Your Kids’ Toys

Woman Killed by Tire Flying Off Vehicle Ahead of Her

Woman Killed by Tire Flying Off Vehicle Ahead of Her

Investigators Seize 1.7 Million Counterfeit N95 Face Masks From Queens Warehouse

Investigators Seize 1.7 Million Counterfeit N95 Face Masks From Queens Warehouse

21 Chihuahuas Are Rescued From Deplorable Conditions Inside RV

21 Chihuahuas Are Rescued From Deplorable Conditions Inside RV

21 Chihuahuas Appear to Be in Distress Living in Broken Down RV

21 Chihuahuas Appear to Be in Distress Living in Broken Down RV

Is There Actually Tuna in Subway’s Tuna Sandwich?

Is There Actually Tuna in Subway’s Tuna Sandwich?

Woman Fears Her Alleged Abuser Will Be Out of Jail on Bail Early Due to COVID-19

Woman Fears Her Alleged Abuser Will Be Out of Jail on Bail Early Due to COVID-19

How Clean Are U-Haul Trucks Amid COVID-19 Pandemic? Inside Edition Investigates

How Clean Are U-Haul Trucks Amid COVID-19 Pandemic? Inside Edition Investigates

Is This COVID-19 Vaccine Appointment for $10,000 on Craigslist Real?

Is This COVID-19 Vaccine Appointment for $10,000 on Craigslist Real?

Inside Edition Investigates After Daystar Religious Network Buys Jet

Inside Edition Investigates After Daystar Religious Network Buys Jet

Woman Confronts Scammer Who She Said Claimed He Was in Love With Her

Woman Confronts Scammer Who She Said Claimed He Was in Love With Her

It Took 3 Minutes for This Package to Be Stolen From Someone’s Doorstep

It Took 3 Minutes for This Package to Be Stolen From Someone’s Doorstep

Are Russians Writing Fake Negative Reviews for the Kardashians’ Plastic Surgeon?

Are Russians Writing Fake Negative Reviews for the Kardashians’ Plastic Surgeon?

How Dirty Are Your Pillows, Couches and Other Rarely Washed Household Items?

How Dirty Are Your Pillows, Couches and Other Rarely Washed Household Items?

Storefront Collapses After ATM Is Ripped Out of New York Deli

Storefront Collapses After ATM Is Ripped Out of New York Deli

Is Your Bike at a Greater Risk of Being Stolen Because of the Pandemic?

Is Your Bike at a Greater Risk of Being Stolen Because of the Pandemic?

California Woman Says Fake Apartment Ad Left Her Scammed Out of $2,000

California Woman Says Fake Apartment Ad Left Her Scammed Out of $2,000

How Much Bacteria Was Found Inside These Reusable Cloth Masks

How Much Bacteria Was Found Inside These Reusable Cloth Masks

Are Your Refrigerator's Ice and Water Dispensers a Breeding Ground for Bacteria?

Are Your Refrigerator's Ice and Water Dispensers a Breeding Ground for Bacteria?

Invisible Ink Test Shows Some Rental Cars Weren't Cleaned Between Customers

Invisible Ink Test Shows Some Rental Cars Weren't Cleaned Between Customers

Heroes

How Isaac Woodard, Jr Helped Integrate the US Armed Forces

How Isaac Woodard, Jr Helped Integrate the US Armed Forces

Meet Jeane Barrett, the Fire Captain Who Cut Tiger Woods From His Car Wreck

Meet Jeane Barrett, the Fire Captain Who Cut Tiger Woods From His Car Wreck

United Pilots on Flight With Flaming Engine Failure Praised for Staying Cool

United Pilots on Flight With Flaming Engine Failure Praised for Staying Cool

‘White Helmets’ Volunteers Rescue 4-Year-Old Girl From Well in Syria

‘White Helmets’ Volunteers Rescue 4-Year-Old Girl From Well in Syria

Florida ‘Vaccine Angels’ Help Seniors Get Hard-to-Find Appointments

Florida ‘Vaccine Angels’ Help Seniors Get Hard-to-Find Appointments

Arizona National Guard Rescues 3 Stranded Hikers Using Blackhawk Helicopter

Arizona National Guard Rescues 3 Stranded Hikers Using Blackhawk Helicopter

Florida Restaurant Worker Alerts Police to Alleged Child Abuse With Secret Sign

Florida Restaurant Worker Alerts Police to Alleged Child Abuse With Secret Sign

Cops Pull Woman From Flaming Car After Diabetic Emergency Causes Her to Crash

Cops Pull Woman From Flaming Car After Diabetic Emergency Causes Her to Crash

How Nurse Remained Calm to Warn Arizona Family of House Fire

How Nurse Remained Calm to Warn Arizona Family of House Fire

Sandy Hook 1st Responder Patrick Dragon Dies From COVID-19 at 50

Sandy Hook 1st Responder Patrick Dragon Dies From COVID-19 at 50

Arizona Woman Saves Family of 6 From House Fire

Arizona Woman Saves Family of 6 From House Fire

These Brave Police Officers Came to the Rescue in 2020

These Brave Police Officers Came to the Rescue in 2020

Frontline Healthcare Workers Get Holiday Gifts Through ‘Adopt-a-Nurse’ Program

Frontline Healthcare Workers Get Holiday Gifts Through ‘Adopt-a-Nurse’ Program

Good Samaritans’ Most Heroic and Daring Moments of 2020

Good Samaritans’ Most Heroic and Daring Moments of 2020

2 Doctors Honored for Helping 6-Year-Old Boy Who Saved Sister From Dog Attack

2 Doctors Honored for Helping 6-Year-Old Boy Who Saved Sister From Dog Attack

Hiker Rescued After Being Trapped Under Boulder for 9 Hours

Hiker Rescued After Being Trapped Under Boulder for 9 Hours

New Jersey Police Officer Makes Daring Rescue to Save Cockapoo

New Jersey Police Officer Makes Daring Rescue to Save Cockapoo

California Family Meets FedEx Driver Who Put Out House Fire

California Family Meets FedEx Driver Who Put Out House Fire

Dad Survives Being Crushed by 8000-Pound Boulder While Saving His Daughter

Dad Survives Being Crushed by 8000-Pound Boulder While Saving His Daughter

Man With 1 Leg Jumps Into Water to Rescue Driver in Sinking Car

Man With 1 Leg Jumps Into Water to Rescue Driver in Sinking Car

Animal Edition

Loyal Canine Waits Outside Hospital for Owner in Turkey

Loyal Canine Waits Outside Hospital for Owner in Turkey

Spaniel Puppy That Was Snatched From Alligator’s Jaws Gets Deputized in Florida

Spaniel Puppy That Was Snatched From Alligator’s Jaws Gets Deputized in Florida

Dog ‘Frozen’ With Tetanus Nursed Out of Paralysis by Loving Veterinarian

Dog ‘Frozen’ With Tetanus Nursed Out of Paralysis by Loving Veterinarian

Couple Whose Dog Fell Through Sunroof Slapped With Hefty Bill for Car Damage

Couple Whose Dog Fell Through Sunroof Slapped With Hefty Bill for Car Damage

Dog Named After Freddie Mercury Can Really Play the Piano

Dog Named After Freddie Mercury Can Really Play the Piano

Woman Makes Funny Costumes for Dog in 'Cone of Shame'

Woman Makes Funny Costumes for Dog in 'Cone of Shame'

Koala Bear Won't Leave Air-Conditioned Car

Koala Bear Won't Leave Air-Conditioned Car

President George H.W. Bush's Service Dog Sully Finds New Home at Walter Reed

President George H.W. Bush's Service Dog Sully Finds New Home at Walter Reed

What Dog Breed Would Be Right for President Trump?

What Dog Breed Would Be Right for President Trump?

Dog With Short Spine Rescued, Rehabbed to Happiness

Dog With Short Spine Rescued, Rehabbed to Happiness

Dalmatian Accidentally Puts RV in Reverse, Sending It Into Texas Lake

Dalmatian Accidentally Puts RV in Reverse, Sending It Into Texas Lake

3-Legged Dog Named Champion Doing Well After Rescue From Alleged Hoarder's Home

3-Legged Dog Named Champion Doing Well After Rescue From Alleged Hoarder's Home

Hero Poodle Who Could Sniff Out Infections Killed in Dog Attack

Hero Poodle Who Could Sniff Out Infections Killed in Dog Attack

How a Village Is Raising 11 Puppies After Their Mom Died

How a Village Is Raising 11 Puppies After Their Mom Died

19-Year-Old Yorkie Retires From Rhode Island Performance of 'The Nutcracker'

19-Year-Old Yorkie Retires From Rhode Island Performance of 'The Nutcracker'

Border Collie Herds 1,400 Turkeys on English Farm in Record Time

Border Collie Herds 1,400 Turkeys on English Farm in Record Time

Rescued 2-Legged Poodle Hops Like a Kangaroo

Rescued 2-Legged Poodle Hops Like a Kangaroo

Corgi Adopts Kitten With Matching Fur After Losing Puppies in C-Section

Corgi Adopts Kitten With Matching Fur After Losing Puppies in C-Section

Dog Survived Wildfire in Greece by Hiding in Outdoor Brick Oven

Dog Survived Wildfire in Greece by Hiding in Outdoor Brick Oven

Georgia Man Bikes 7 Miles Carrying Injured Stray Puppy on His Back

Georgia Man Bikes 7 Miles Carrying Injured Stray Puppy on His Back