Wisconsin’s Independent Social Worker credential (often abbreviated ISW or CISW) is a master’s‑level social work certificate issued by the Social Worker Section of the Marriage and Family Therapy, Professional Counseling, and Social Work Examining Board. It allows you to practice social work independently (with limits on psychotherapy) and sits between Advanced Practice Social Worker (APSW) and Licensed Clinical Social Worker (LCSW) in the state’s license hierarchy. (regulations.justia.com)
Below is a step‑by‑step guide focused on the exact hour requirements and the board’s own terminology.
Under Wis. Admin. Code MPSW 6.03, a “certified independent social worker” may: (regulations.justia.com)
Before you can become certified as an Independent Social Worker, Wisconsin requires:
Graduate social work degree
Advanced Practice Social Worker (APSW) certification first
Under Wis. Admin Code MPSW 3.07, the 3,000 hours you need for ISW must be accumulated after you: (law.cornell.edu)
In practice, the sequence is:
Graduate MSW/DSW → obtain APSW → complete supervised practice → apply for ISW.
Both the Wisconsin Administrative Code and DSPS specify the same core requirement.
MPSW 3.07(3) requires an affidavit that you have obtained “at least 3,000 hours of social work practice in no less than 2 years under the supervision of a supervisor approved by the social worker section.” (law.cornell.edu)
DSPS summarizes this as:
So, numerically:
For the Independent Social Worker credential:
In other words, Wisconsin does not say something like “1,500 hours of direct client contact and 1,500 hours of other supervised experience” for ISW. The only numeric requirement is 3,000 total supervised hours over at least 2 years.
(Contrast: for the Licensed Clinical Social Worker credential, Wisconsin explicitly requires 3,000 hours of clinical social work practice including at least 1,000 hours of face‑to‑face client contact, with DSM diagnosis and treatment of individuals. Those face‑to‑face and DSM requirements do not apply to ISW; they are specific to LCSW. (wirules.elaws.us))
The board’s definition of the required practice comes from Wis. Admin. Code MPSW 4.01, “Supervised pre‑certification and pre‑licensure social work practice,” which governs both independent and clinical pathways. (law.cornell.edu)
MPSW 4.01(3) says that a period of supervised practice shall include, but not be limited to, practice in all of the following activities:
At the end of supervision, the candidate must have demonstrated competence in each of these activities to the supervisor. (law.cornell.edu)
Practically, your 3,000 hours can include:
as long as it falls within “social work practice” and the supervisor is able to attest that you met the MPSW 4.01(3) competencies.
MPSW 4.01(1) lays out the basic structure of supervision for pre‑certification practice (which is exactly what the 3,000 ISW hours are):
If supervision is in a group format, MPSW 4.01(2) caps groups at no more than six supervisees per supervisor and disallows counting time that is primarily social activity. (law.cornell.edu)
For “applications for licensure as an independent social worker received after November 1, 2002,” MPSW 4.01(5) specifies that supervision may be provided by any of the following: (law.cornell.edu)
It is important that your supervisor fits one of these categories; otherwise your hours may not be accepted.
There are two exam components at the ISW level:
Wisconsin statutes and administrative code exam (open‑book)
National exam (ASWB)
(For context: at the APSW level Wisconsin uses the ASWB Masters exam, and for LCSW the ASWB Clinical exam; at the ISW level, the state currently references the ASWB Bachelors‑level exam on its website.)
Wis. Admin. Code MPSW 3.07 and DSPS together outline the application package for certification as an Independent Social Worker. (law.cornell.edu)
You must submit:
Application and fees
Proof of education
Affidavit of supervised practice hours
Examination verification
You must show either:
Credential verifications and background information
Because people often confuse the ISW and LCSW hour requirements, a quick comparison is helpful:
Independent Social Worker (ISW/CISW)
Licensed Clinical Social Worker (LCSW)
If you plan to pursue LCSW after ISW, you will need to ensure your post‑graduate supervised practice also meets the clinical, face‑to‑face, and DSM requirements—requirements that are not built into the ISW standard itself.
To become an Independent Social Worker (ISW/CISW) in Wisconsin under the Marriage and Family Therapy, Professional Counseling, and Social Work Examining Board:
These are the current, board‑defined requirements and hour structures for the Wisconsin Independent Social Worker credential as of late 2025.
APSW
CSW
LCSW
LMFT
LPC
LPC-IT
LPC-TL
MFT-TC
MFT-TL
SWTC
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