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ISST Certification · ST-Aux

Auxiliary Schema Therapist Certification

Bring schema therapy into your professional practice within a multidisciplinary team. Discover the Auxiliary Schema Therapist certification pathway and find the documents you need to prepare your application.

Auxiliary Schema Therapist certification (ST-Aux) is designed for qualified professionals in allied health and counselling fields who work in multidisciplinary teams under the supervision of an Advanced certified schema therapist.

Relevant professional backgrounds include clinical social work, art or specialised therapies, mental health professions, addiction work, psychiatric nursing and counselling. Certification supports the use of schema therapy interventions within your professional role and the scope of auxiliary practice.

The pathway combines approved training, supervision, self-therapy and an independent assessment of clinical skills. Please read the full certification requirements to confirm your eligibility and understand the requirements for your intended certification level.

Standard certification Advanced certification

Documents & downloads

Start with the certification requirements, then use the application form, checklist and competency scale to prepare your application. All documents are available in English as PDF downloads.

01

Start here

Certification requirements

Read the eligibility criteria and requirements for Standard and Advanced certification, including approved training, supervision, self-therapy, session assessment and maintaining certification.

PDF · English · 2025 requirements

Download requirements
02

Your application

Application form

Complete the application for your intended certification level. The form includes guidance on recording your professional qualifications, training, supervision and independent session ratings, together with instructions for submission.

PDF · English · Includes instructions

Download application form
03

Prepare your documents

Application checklist

Check that your application includes the required supporting documents. Complete the applicant section before submission; the certification reviewer completes and signs the review section.

PDF · English · For applicants and reviewers

Download checklist
04

Competency assessment

STCS-AUX competency scale

Explore the Auxiliary Schema Therapist Competency Scale used for independent session assessment. The document includes descriptions of the assessed skills, rating guidance and the summary sheet.

PDF · English · Rating scale and summary sheet

Download competency scale

The requirements document is dated 31 January 2025 and applies to candidates beginning training on or after 1 April 2025. Please consult the complete document for the detailed criteria.

Ready to apply?

Once you have fulfilled the certification requirements, complete the application form and checklist and gather your supporting documents and submit your application. If you are unsure about your eligibility, contact the appropriate Specialty Coordinator, before applying.


Training directory

Approved Auxiliary Training Programs

Find an approved training program for Auxiliary Schema Therapist certification. Explore the programs by country and visit each provider's own website for training information and contact details.

Finland

1 program

Germany

3 programs

Hungary

2 programs

  • Hungarian Schema Therapy Association Training Programme

    vikote.hu

    Visit website
  • Sématerápia Segítő foglalkozásúaknak

    ST for Auxiliary professionals Budapest

    sematerapiaestrening.hu

    Visit website

Poland

1 program

  • Online Standard Auxiliary Certification Programme in Schema Therapy

    e-schema.pl

    Visit website

Switzerland

1 program

  • The Institute for Schema Therapy Eastern Switzerland (ISTOS)

    istos.ch

    Visit website

United Kingdom

1 program

Please contact the provider directly for course dates, entry requirements and availability. All provider links open in a new tab.



©2021 International Society of Schema Therapy e.V.

International Society of Schema Therapy e.V. is a not-for-profit organization, Germany


Why Schema Therapy?

Schema therapy has been extensively researched to effectively treat a wide variety of typically treatment resistant conditions, including Borderline Personality Disorder and Narcissistic Personality Disorder. Read our summary of the latest research comparing the dramatic results of schema therapy compared to other standard models of psychotherapy.

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