Quick answer: separation anxiety is a sign of secure attachment, not a problem to be fixed. Most children settle within five to ten minutes of a parent leaving. The two things that make it worse are lingering and sneaking away. A short, warm, absolutely predictable goodbye works better than anything else.
There is a particular kind of morning that stays with a parent all day. Your child is fine in the car, fine in the corridor, and then the moment you reach the door they are wrapped around your leg, sobbing, and a teacher is gently peeling them off you.
You walk to work feeling terrible. What almost nobody tells you is that in most cases your child stopped crying about four minutes after you turned the corner.
Why it happens
Separation anxiety is developmentally normal. It typically appears around eight to ten months, peaks in the toddler years, and shows up again at any transition: starting preschool, moving room, coming back after a holiday, after an illness, after a new baby arrives.
It happens because your child has worked out something important: you are their safe base, and you are about to not be there. A child who protests is a child with a strong attachment. That is a good sign wearing a very unpleasant costume.
The two things that make it worse
Lingering. This is the kindest-feeling mistake and the most costly. Every extra minute is another minute of the child holding the hope that you might stay, and the goodbye has to be done all over again from the top. A ten-minute goodbye is ten minutes of anticipation, not ten minutes of comfort.
Sneaking off. Also understandable, also counterproductive. If a child learns that a parent can disappear without warning, they cannot relax at any point in the day, because the vanishing might happen at any moment. Children who are slipped away from tend to become more clingy, not less.
The pattern that works is the opposite of both: predictable, brief, and always with a proper goodbye.
What actually works
A goodbye ritual. The same words and the same actions every single morning. Two hugs and a wave at the window. A special handshake. A kiss on the palm to keep in a pocket. The ritual gives the child something to hold and a clear signal that the sequence is normal.
Say when you are coming back, in their terms. Not a time. Preschoolers do not have a clock. "I will come after your outdoor play." Then be consistent, because your reliability is the thing being tested.
Keep your own face calm. Children read our faces to decide how worried to be. If your expression says this is awful, they will agree with you. It is acting, and it is worth doing.
Hand over to a person, not a room. Walking your child to a specific teacher who greets them by name gives them somewhere to land.
Arrive with time, but not too much. Rushed drop-offs are harder, and so are long ones. Enough time to hang the bag up and settle, then go.
Let a comfort object come. A small toy, a photo in the bag, a scarf that smells of home. Most preschools are happy with this and it can be quietly powerful.
Ask for the report. Every good preschool will message you or tell you how long it took. Knowing that your child was fine by half past eight changes the whole day for you, and calmer parents produce calmer mornings.
What we do at our end
When a child arrives upset, the teacher's job is to take over as the safe base. That means getting down to their level, naming what is happening honestly, and then moving them towards something absorbing.
We do not tell children they are fine when they are not fine. We say something more like: you are sad that mummy has gone. She always comes back after outdoor play. Would you like to hold my hand or come and help me set up the water?
Almost always the answer, after a few minutes, is the water.
How long it should take
Most children settle into a new preschool within two to four weeks, with the first week the hardest. Some settle on day one and fall apart in week three, which is very common and not a bad sign. Others take a couple of months.
Expect setbacks. A holiday, an illness or a house move can restart the whole cycle. It usually resolves much faster the second time.
When to raise it
Talk to the school if the crying does not settle within fifteen or twenty minutes on most days after several weeks, if your child is distressed for a large part of the day, if they are not eating, sleeping or playing at school, if the anxiety is spreading into other parts of life, or if something has changed suddenly in a child who was previously happy.
None of these mean something is wrong. They mean it is time for a proper conversation, and a good preschool will want to have it. Often there is a specific and fixable cause: a noisy activity, a difficult moment in the routine, a friendship that has gone sideways.
The part to hold on to
You are not damaging your child by leaving. You are teaching them something they need to learn: that they can be apart from you, manage it, and be collected at the end. That lesson is built one ordinary morning at a time, and the tears at the gate are part of how it gets built.
Say goodbye properly. Then go, and let us do our job.
Shaws Preschool has been meeting children at the door across the East Coast and Serangoon since 1989. If your child is starting soon, come and walk the room together first: book a tour.