The Door Is Secure. But Who Is Coming Through It?
Schools invest considerable time and resources into securing their buildings. Locked exterior doors, electronic access systems, cameras, and visitor screening procedures are all designed to control who enters.
But even the best security systems depend on people following established procedures.
Consider a common situation.
A staff member approaches a school entrance, unlocks the door, and notices someone walking just a few steps behind them. Wanting to be polite, the employee holds the door open.
The individual follows them inside without using the designated visitor entrance or completing the school's identification and sign in process.
This is known as tailgating, and it represents an easily overlooked vulnerability in school security.
Why Tailgating Happens
Most instances of tailgating are not the result of someone intentionally disregarding school security.
They happen because people are naturally courteous.
We hold doors for others. We recognize familiar faces. We assume that someone approaching a school entrance probably belongs there.
During busy arrival periods, dismissal, deliveries, and staff transitions, these habits can become even more common.
The problem is that recognizing someone, or assuming they have a legitimate reason to enter, is not the same as verifying that they are authorized.
A familiar face does not replace the school's established entry procedures.
One Open Door Can Bypass Multiple Security Measures
A school's visitor management procedures are intended to ensure individuals are identified, authorized, and properly directed before entering areas occupied by students and staff.
When someone follows an employee through a secured entrance, those safeguards may be bypassed.
The person may enter without being identified, signing in, obtaining a visitor badge, or having their purpose for visiting verified.
This does not mean everyone who follows someone through a door presents a threat.
It means the school has lost an important opportunity to determine who is entering its building.
And in school security, maintaining that accountability matters.
What School Staff Can Do
Preventing tailgating does not require complicated procedures or additional equipment.
It requires consistent attention to a few basic practices.
• Use authorized entrances. Staff should enter through designated access points and follow established procedures.
• Avoid allowing unverified individuals to follow inside. Do not assume someone is authorized simply because they appear familiar.
• Direct visitors to the main entrance. Politely explain that all visitors must follow the school's identification and sign in procedures.
• Make sure doors secure behind you. Take a moment to confirm that exterior doors fully close and latch.
• Report access concerns promptly. Notify the office or school security if someone enters without authorization or a door is not securing properly.
Staff should not physically confront or attempt to restrain someone who refuses to follow entry procedures. Follow the school's established reporting and emergency response protocols.
These small actions help preserve the integrity of the school's access control system.
School Security Is Also About Consistency
One of the greatest challenges in school security is maintaining the same expectations throughout the school year.
Procedures may be followed carefully during the first weeks of school, but familiarity and routine can gradually lead to exceptions.
Someone says, "I know that parent."
Another employee thinks, "They're only coming in for a minute."
Eventually, a secured entrance becomes a place where staff routinely make informal decisions about who can enter.
That is why school leaders must continue reinforcing expectations, even when procedures seem obvious.
A security measure is only effective when it is followed consistently.
A Reminder Worth Repeating
Preventing tailgating should not be addressed only during annual security training or after an access control concern occurs.
It is an everyday practice that benefits from regular reminders.
School leaders can reinforce this expectation by asking a simple question:
If someone approaches a secured entrance directly behind you, do you know how to respond without allowing them to bypass the school's visitor procedures?
Every employee should know the answer.
The goal is not to make schools less welcoming. It is to ensure that visitors enter through the proper channels and that access to students and staff remains controlled.
Final Thought
Being courteous and maintaining security are not mutually exclusive.
We can treat people respectfully while still requiring everyone to follow established entry procedures.
A door held open for just a few seconds may seem insignificant, but it can bypass multiple layers of security.
School safety depends not only on the systems we install, but also on the everyday decisions of the people who use them.
One door. One decision. One important safety habit.
Keeping School Safety Visible Throughout the Year
SafeSchools Minute™ is a guided weekly school safety program that helps school leaders reinforce key safety practices through brief, practical staff reminders.
Topics like preventing tailgating, securing exterior doors, and maintaining visitor awareness help keep everyday security expectations visible without adding meetings or lengthy training sessions.
One Minute. One Topic. Once a Week.
Interested in seeing how it works?
Explore a free sample:
https://www.safeschoolsminute.org/sample-page
Learn more:
https://www.safeschoolsminute.org