[2] Alhadeff gained national attention after making an appearance the day after the shooting on CNN, pleading President Trump to increase school security and calls for gun control.
Alhadeff worked for a year as a health and physical education teacher at the Windward School where she also coached cheerleading.
Alhadeff and her husband attended a memorial for the victims at Pine Trails Park the following day, where she appeared on CNN, pleading President Donald Trump demanding action to increase gun control and improve school safety.
In March, she traveled to Tallahassee to work alongside other victim's families to pass the Florida Senate Bill 7026.
On February 2, 2019, New Jersey Governor Phil Murphy signed A764, also known as "Alyssa's Law", requiring all New Jersey public schools to install silent panic alarms that will alert law enforcement during emergencies such as an active shooter, or to employ an alternative emergency mechanism approved by the Department of Education.