What Is The Success Rate Of Speech Therapy?

2026-02-20 / in Virtual Speech Therapy / by Avivit Ben-Aharon • 5 min read

Speech therapy is a great resource for individuals who have challenges with communication or who want to strengthen their speech or language skills. It helps people of all ages who may struggle with speech-sound disorders, language delays, fluency difficulties, voice concerns, or other communication-related challenges.

Both children and adults can find it helpful to work with a licensed speech-language pathologist (SLP). Speech therapists are trained to identify communication challenges, plan therapy that suits each person, and use proven methods to help them improve over time.

Common goals of speech therapy include:

improving pronunciation and articulation
strengthening the muscles used for speech
expanding vocabulary
strengthening expressive and receptive language skills
increasing speech clarity
improving memory
gaining confidence

It’s normal to wonder about the success rate of speech therapy and whether or not it will make a difference for you or your loved one. The great news is that speech therapy is widely recognized as an effective treatment for many communication challenges.

Progress will look different for everyone. But research and real-world clinical experience show that people of all ages can achieve positive outcomes with consistent speech therapy.

If you are curious about how online speech therapy works and whether it may be a great fit for your needs, you can learn more by scheduling a free introductory call.

What Factors Affect the Effectiveness of Speech Therapy?

The success of speech therapy depends on multiple factors. Understanding these factors helps set expectations that are realistic, which also leads to better outcomes.

Age of the Individual

Research has shown that early intervention plays an important role in the outcomes of speech therapy. Children who begin speech therapy at a younger age often make progress more quickly because their brains are still developing at a rapid pace. With that said, speech therapy is effective at any age. Teens and adults also make great improvements with the right treatment plan and commitment.

The Severity of the Communication Disorder

The severity of the speech or language challenge can influence how quickly the individual will progress. People who have mild articulation or language difficulties may see improvements quickly, while those with more complex or severe challenges may require longer-term therapy as well as ongoing support. Regardless of the severity, progress is very possible.

Type of Communication Disorder

Different communication disorders will respond differently to speech therapy. For example, articulation and language disorders often respond very well to structured speech therapy. Fluency disorders, such as stuttering, can be more complex and may not be fully eliminated; however, speech therapy can greatly improve their fluency by providing them with exercises and strategies that may improve your confidence to communicate.

Frequency and Consistency of Appointments

Consistency is one of the most important contributors to success in speech therapy. Speech therapy is similar to working with a personal trainer. The speech pathologist provides instruction on proper techniques & exercises, but it is just as much the individual’s responsibility to practice those techniques in a consistent manner.

Ability to Practice Outside of Appointment Time

Therapy should not end when the appointment is over. Practicing the strategies and exercises learned in sessions regularly in everyday life is very important. Using those learned skills in everyday situations helps reinforce progress, allowing communication skills to become more natural and automatic over time.

Underlying Medical Conditions

Some communication challenges are related to medical conditions, neurological differences, or developmental disorders. The outcome of speech therapy can vary for those individuals, and success often depends on the severity of the condition, the individual's overall health, and their ability to adapt. For them, speech therapy may focus on maximizing functional communication and improving quality of life.

Support from Caregivers and Family

How well therapy goes often depends on support from parents, caregivers, family, and teachers. This is particularly true for children because this support offers encouragement, consistency, and involvement outside of online speech therapy sessions, helping to reinforce skills and creating more opportunities for practice and success.

Can Speech Disorders Be Cured?

Some speech disorders can be fully resolved with speech therapy, while others may not be completely cured. Speech therapy can still be helpful, even when the speech challenges cannot be entirely fixed. Many people's communication skills will improve, resulting in increased independence and greater confidence. For some people, therapy will focus on helping them develop strategies or alternative methods of communication.

How Long Does it Take to Cure Speech Delay?

Progress in speech therapy happens at different rates for different people. The length of time will depend on the individual's goals, their communication challenges, and how consistently they practice. Some people may achieve their goals in a matter of weeks or months, while others may benefit from ongoing therapy.

What is the Overall Success Rate of Speech Therapy?

There is no universal success rate that applies to all speech therapy clients, as outcomes will widely vary based on each individual’s circumstances. However, research consistently supports the effectiveness of speech therapy. One study showed that approximately 70% of preschool-aged children who underwent speech therapy saw a significant improvement in their communication skills (1).

Speech therapy also offers other important benefits beyond measurable improvements in speech. For example, increased confidence, improved social interaction, and greater success in academic or professional environments.

Benefits of Online Speech Therapy

Great Speech is a leader in virtual speech therapy. We connect people of all ages with highly skilled speech-language pathologists. Our flexible online speech therapy model makes it easy for individuals and busy families to access effective speech therapy anywhere they have internet access.

Online speech therapy has proven to be equally effective as traditional in-person speech therapy for people of all ages. It can be even more convenient and flexible in many cases, making it an excellent option for most people! One of the most important factors in success is consistency, and virtual sessions help reduce barriers with scheduling and travel, making it easier to attend therapy regularly.

You can read more about the benefits of online speech therapy in our blog post titled: How Effective Is Virtual Speech Therapy?

Tips to Make Speech Therapy Successful

Frequency

After the initial evaluation, speech therapists will recommend how often therapy sessions should occur. People who attend therapy more frequently and consistently often make progress more quickly and reach their goals sooner.

Carryover

Carryover refers to using speech therapy skills outside of a therapy session. This is one of the most important components for success. People can reinforce progress and strengthen their communication skills by practicing strategies at home, school, and in daily conversations.

Prioritizing Speech Therapy

While social and extracurricular activities are important for both children and adults, it is very important to make time for speech-language therapy. Speech therapy can only be successful if it is made a priority. Taking breaks from speech therapy can result in regressing newly acquired skills and often will prolong the speech therapy progress.

Positive Experience

Speech therapists work hard to ensure that speech therapy is a positive experience for all of the individuals they work with. When speech therapy is enjoyable, participation is more likely, and motivation to work and focus is increased. This applies to working on speech therapy goals at home.

Parent and Caregiver Participation and Education

When a child receives speech therapy, keeping the parents informed and educated is important. Parents who are included are more likely to help their child work on speech therapy exercises outside of appointments. Education and support for parents are important parts of speech therapy and can help significantly to make speech therapy a success.

Moving Forward With Confidence

Speech therapy offers a wide range of benefits for both children and adults who want to improve their language and communication skills. While the exact success rate of speech therapy varies from person to person, experts widely agree that working with a licensed speech-language pathologist is the best way to address speech and language challenges.

Success in speech therapy requires time, consistency, encouragement, and support. It can be a lot of work, but the results can be life-changing. Improving communication often leads to greater confidence, stronger relationships, and increased success at school, work, and beyond.

At Great Speech, we connect individuals and families with our large network of experienced speech therapists who are ready to help you work towards clearer communication and increased confidence. Take the first step today by scheduling your free introductory call.

1. Ellis EM, Thal DJ. (2008) Early language delay and risk for language impairment. Perspect Lang Learn Ed., 15(3): 93-100.