Foster Care

What Behaviors Should Foster Parents Expect?

Learn the common behaviors children in foster care may display, why they happen, and how therapeutic foster parents can provide healing and stability.


What You'll Learn

  • Why children in foster care may display challenging behaviors
  • Common behaviors foster parents should expect
  • How trauma affects a child's brain and behavior
  • Positive ways to respond instead of react
  • When to seek additional support
  • How therapeutic foster care makes a difference

Table of Contents

  1. Why Do Children in Foster Care Have Challenging Behaviors?
  2. Common Behaviors Foster Parents May See
  3.  Why Trauma Affects Behavior?
  4. How Foster Parents Can Respond
  5. What to Avoid When a Child Displays Challenging Behaviors 
  6. Behaviors That May Require Extra Support
  7. Why Therapeutic Foster Care Matters
  8. Frequently Asked Questions

Why Do Children in Foster Care Have Challenging Behaviors?

Children enter foster care because they have experienced abuse, neglect, abandonment, or other circumstances that made their home unsafe. These experiences can affect how they think, communicate, trust others, and regulate their emotions.

Behavior is often a child's way of communicating a need they don't yet have the words to express. Instead of asking, "What's wrong with this child?" it can be more helpful to ask, "What has this child experienced?"

According to the Child Welfare Information Gateway, children who have experienced trauma may struggle with emotional regulation, relationships, attention, and feelings of safety. These reactions are normal responses to abnormal experiences.

Helpful resources


Common Behaviors Foster Parents May See

Not every child will display these behaviors, and some children may not experience any of them. Every child's experiences and healing journey are unique. 

Some common behaviors include:

  • Difficulty trusting adults
  • Anger or frequent outbursts
  • Anxiety
  • Withdrawal from others
  • Trouble sleeping
  • Food hoarding
  • Lying
  • Stealing
  • Difficulty following rules
  • Frequent worrying
  • Difficulty making friends
  • Problems at school
  • Regression to younger behaviors
  • Separation anxiety

These behaviors are not signs that a child is "bad." They often reflect past experiences and unmet needs.


What Causes These Behaviors?

Trauma can change how a child's brain responds to stress. Instead of feeling safe, their brain may stay in "survival mode."

Children who have experienced trauma may constantly ask themselves:

  • Am I safe?
  • Can I trust this adult?
  • Will I be rejected again?
  • Will my needs be met?

When those questions remain unanswered, behaviors become a way of protecting themselves.

Research from the National Child Traumatic Stress Network explains that trauma can affect brain development, emotional regulation, learning, and relationships.

Learn more:
https://www.nctsn.org/what-is-child-trauma


Common Behaviors Explained

Anger

Anger is often one of the first emotions foster parents notice.

Instead of seeing anger as defiance, consider what may be underneath it.

A child may actually be experiencing:

  • Fear
  • Sadness
  • Embarrassment
  • Grief
  • Confusion

Responding calmly helps build trust over time.


Food Hoarding

Some children hide food under their bed or keep snacks in their room.

While surprising at first, this behavior often comes from previous experiences where food was inconsistent or unavailable.

Rather than punishing the behavior, many professionals recommend reassuring the child that food will always be available.


Lying

Children may lie because they:

  • Fear punishment
  • Have experienced harsh discipline
  • Want to avoid disappointment
  • Are protecting themselves
  • Don't yet trust adults

Building trust takes time.


Difficulty Trusting Adults

Trust is earned.

Many children entering foster care have experienced broken promises from adults they depended on.

Consistency, patience, and keeping your word are often more effective than lectures.


How Foster Parents Can Respond

No foster parent is expected to have all the answers. The goal isn't perfection. It's providing safety, consistency, and compassion.

Responding to challenging behaviors starts with understanding that many reactions are rooted in trauma rather than intentional misbehavior. Remaining calm, providing predictable routines, and building trust over time can help children feel safe enough to develop healthier ways of coping. 

Helpful strategies include:

  • Stay calm during difficult moments.
  • Keep routines predictable.
  • Offer choices when appropriate.
  • Praise positive behaviors.
  • Focus on connection before correction.
  • Be patient while trust develops.
  • Work closely with therapists and your foster care team.
  • Celebrate small victories.

Remember, progress often happens slowly.

Children may test boundaries because they are trying to determine whether adults will continue caring for them, even during difficult moments.

What to Avoid When a Child Displays Challenging Behaviors

While every situation is different, certain responses can unintentionally increase fear or anxiety for children who have experienced trauma.

Foster parents should try to avoid:

  • Yelling or threatening
  • Taking behaviors personally
  • Assuming a child is being manipulative
  • Using shame or humiliation as discipline
  • Expecting trust to develop overnight

Instead, focus on calm, consistent responses that help children feel safe while maintaining appropriate boundaries. For example, if a child is yelling, respond in a steady voice rather than raising your own. If a child hides food, it may help to create a snack basket in the kitchen just for them so they can see food is available and accessible. This can offer reassurance and a sense of security instead of reacting with punishment. Simple, supportive responses like these can help children feel more secure over time.


When Should Foster Parents Ask for Help?

Some behaviors require additional professional support. Reach out to your agency if a child experiences:

  • Self-harming behaviors
  • Aggression that puts others at risk
  • Persistent suicidal thoughts
  • Severe depression
  • Extreme withdrawal
  • Dangerous behaviors
  • Significant changes in eating or sleeping
  • Frequent panic attacks

If you believe a child is in immediate danger or the situation feels like an emergency, contact your agency right away and seek emergency help if needed.

Therapeutic foster care agencies work alongside foster families by providing clinical support, case management, and ongoing skill development to help families navigate these challenges.

Healing Takes Time

Healing doesn't happen overnight.

A child who once struggled to trust may begin asking for help.

A child who frequently had emotional outbursts may gradually learn healthier coping skills.

A child who never believed adults would stay may slowly begin to feel safe.

These moments may seem small, but they represent meaningful progress.

Foster parents play an important role by offering consistency, patience, and hope throughout a child's healing journey.


Why Therapeutic Foster Care Makes a Difference

Children with significant emotional or behavioral needs often benefit from therapeutic foster care.

Unlike traditional foster care models, therapeutic foster care offers additional support. 

Support may include:

  • Individual therapy
  • Family therapy
  • Behavioral health services
  • Medication management when appropriate
  • Care coordination
  • Crisis support
  • Ongoing skill development for foster parents

This collaborative approach helps children heal while ensuring foster parents never feel like they're facing challenges alone.


Frequently Asked Questions

What behaviors are common in foster children?

Common behaviors include anxiety, anger, food hoarding, difficulty trusting adults, withdrawal, lying, trouble sleeping, and challenges with emotional regulation. Every child is unique, and behaviors often reflect past trauma rather than intentional misbehavior.


Why do children in foster care have behavioral challenges?

Many children have experienced abuse, neglect, loss, or other traumatic events. Trauma can affect brain development, emotional regulation, and relationships, leading to behaviors that once helped the child survive.


How Should Foster Parents Respond to Trauma-Related Behaviors?

Experts generally recommend responding with consistency, clear boundaries, and understanding rather than harsh punishment. Addressing the underlying need while maintaining structure can help children feel safe and build trust.


How long does it take for behaviors to improve?

Every child is different. Some children adjust within weeks, while others may need months or years of consistent support. Many behaviors become less frequent as children begin to feel safe, develop trusting relationships, and receive appropriate therapeutic support. 


Conclusion

Understanding the behaviors children in foster care may display is an important first step in becoming a successful foster parent. While some behaviors can be challenging, they often reflect a child's response to trauma rather than intentional defiance.

With patience, consistency, and the right support, foster parents can help children build trust, develop healthy coping skills, and experience the stability they deserve.

Every moment of patience, encouragement, and consistency helps build the foundation for healing. Foster parents don't have to be perfect—they simply need to show up, stay committed, and lean on the support available to them. 

If you're interested in learning more about therapeutic foster care, Mentor Foster Care is here to answer your questions and support you throughout every step of the journey.

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