Learning how to prepare your child for their first day of ABA therapy can ease anxiety for both of you. Starting any new routine is a transition, and for children with autism, transitions often require extra support and predictability. The good news is that day one of ABA therapy is designed to be low-pressure. Experienced therapists know that building trust comes before teaching new skills, and the first sessions focus on making your child feel safe and comfortable.

At The Treetop, we prepare families for what the first day looks like well before it arrives. Our BCBAs walk parents through the process during intake, answer questions about scheduling and structure, and ensure that the assigned RBT has all the information they need to connect with your child from the start.

Summary: Preparing for the First Day of ABA Therapy

Preparing your child for their first ABA session is about creating predictability, reducing anxiety, and setting realistic expectations. Talk about therapy in positive, simple terms. Bring comfort items. Establish a consistent pre-therapy routine. On the day itself, expect the therapist to spend most of the time playing, observing, and building rapport rather than running formal programs. Your child does not need to perform perfectly. They just need to feel safe enough to start building a relationship with their new therapist.

Key Points

• Day one is about rapport, not teaching. Experienced ABA therapists spend the first sessions getting to know your child through play and observation. Formal skill-building programs start after the relationship is established.
• Predictability reduces anxiety. Children with autism thrive on routine. Creating a consistent pre-therapy ritual (same breakfast, same goodbye phrase, same comfort item) helps your child know what to expect.
• Social stories can help. A simple social story with pictures showing what therapy will look like (a new person comes to our house, we play together, then they leave) prepares your child for the new experience.
• Comfort items are welcome. Favorite toys, stuffed animals, or sensory items can help your child feel safe in a new situation. Let the therapist know what brings your child comfort.
• Brief is fine. The first session may be shorter than typical sessions. Therapists adjust duration based on your child's tolerance and gradually increase as comfort grows.
• Your emotions matter. Children pick up on parental anxiety. Staying calm and positive, even if you are nervous, helps your child approach the experience with less stress.
• Meltdowns can happen. If your child has a difficult first session, that is normal and expected. Trained ABA therapists manage challenging moments with calm, consistent strategies.

Before the First Day: Practical Preparation

Talk About Therapy in Simple, Positive Terms

Use language your child can understand. For younger children, "a new friend is coming to play" may be enough. For older children, "someone is going to come help you practice things at home" gives a bit more context. Avoid framing therapy as a consequence ("you have to go because of your behavior") or as something to fix what is wrong. Keep it neutral and positive.

Create a Visual Schedule

If your child uses a visual schedule, add the therapy session to it. Show them the time it starts, what activities might happen, and when it ends. For children who do not use formal visual supports, a simple picture sequence on a piece of paper can serve the same purpose. The goal is making the unknown feel knowable.

Share Information with the Therapist

Before the first session, give the assigned RBT and BCBA as much information as possible about your child's preferences, sensory sensitivities, communication level, favorite activities, and known triggers. This information helps the therapist plan a session that is likely to go well. At The Treetop, the BCBA gathers this information during the intake and assessment process and shares it with the RBT as part of treatment planning.

Pack a Comfort Bag

Gather your child's favorite items: a preferred toy, a snack they enjoy, a blanket, or a sensory tool like a weighted lap pad or fidget. These items give your child something familiar in a new situation and give the therapist insight into what your child finds motivating and calming.

What Actually Happens on Day One

The first session of ABA therapy looks nothing like what most parents imagine. There are no flashcards on a table, no structured drills, no demands that your child sit still and perform. Instead, the therapist follows your child's lead.

The RBT will spend the session observing what your child gravitates toward, what makes them laugh, what kind of interaction they tolerate, and what overwhelms them. They will get on the floor, play alongside your child, offer preferred items, and gently test boundaries to understand your child's comfort level. This process is called pairing, and it is the foundation of everything that comes next.

Pairing works because ABA relies on motivation. Before a child will engage in learning activities, they need to associate the therapist with good things: fun, access to preferred items, comfort, and safety. Rushing past this step to "get to the real therapy" is a mistake that good providers avoid.

Managing Your Own Emotions

Parents often feel more anxious about the first day than their child does. That is completely normal. You may worry about how your child will react, whether the therapist will understand them, or whether therapy is the right choice. These feelings are valid, and acknowledging them helps you manage them.

If you are present during the session (which is common for in-home therapy), try to stay nearby but not hovering. Let the therapist take the lead in interacting with your child. If you need to step out of the room briefly, establish a clear goodbye with your child rather than sneaking away. Consistency and honesty build trust. For more guidance on your role during therapy, see The Treetop's resources on parent training in ABA.

After the First Session

When the first session ends, check in with your child at their level. A simple "Did you have fun?" or "I saw you playing with blocks" acknowledges the experience without pressuring them to evaluate it. Some children will be excited. Others may be neutral or cranky. All of these responses are normal.

Ask the therapist for a brief summary of how it went. They should be able to tell you what activities your child engaged with, how they responded to new interactions, and what the plan is for the next session. This post-session debrief sets the pattern for ongoing communication throughout therapy.

If the first session was difficult, with tears, tantrums, or refusal to engage, do not panic. Many children need several sessions to warm up to a new person and a new routine. Your BCBA should have a plan for how to support your child through this adjustment period, and the plan may include shorter sessions, more preferred activities, or a slower pace of introduction.

7 Tips Every Parent Should Know Before Starting ABA

Keep these practical tips in mind as your family begins the ABA therapy journey.

1. Trust the rapport-building process. It may look like "just playing" at first, but building a positive relationship with the therapist is essential for long-term progress.
2. Communicate preferences and sensitivities. The more the therapist knows about your child before day one, the smoother the first session will go.
3. Keep your goodbye brief and consistent. If you leave during sessions, use the same short phrase every time. Predictability reduces separation anxiety.
4. Do not compare to other children. Every child adjusts to therapy on their own timeline. A rocky start does not predict a rocky experience overall.
5. Establish a post-therapy routine. A consistent activity after therapy (a snack, a favorite show, quiet time) gives your child something predictable to look forward to.
6. Ask questions freely. No question is too small. Your BCBA and RBT should welcome your curiosity about what is happening and why.
7. Celebrate the small wins. Making it through the first session, even imperfectly, is a milestone worth acknowledging for both you and your child.

Starting ABA therapy is a significant step. Give yourself and your child grace as you adjust to the new routine.

Conclusion

Preparing your child for their first day of ABA therapy is about reducing unknowns and creating a sense of safety. Talk about it positively, provide visual previews, bring comfort items, and trust that experienced therapists will prioritize your child's emotional wellbeing over immediate skill-building. The first day is a beginning, not a test.

The Treetop prepares families thoroughly before therapy begins. From the intake conversation through the first session and beyond, our BCBAs and RBTs communicate openly with parents, answer every question, and adjust the approach based on your child's needs. Starting ABA does not have to feel overwhelming when you have a team that walks alongside you from the very first step.