AB 100 — Relating to: designating athletic sports and teams operated or sponsored by public schools or private schools participating in a parental choice program based on the sex of the participants.

CORRECTEDDate COPYof -enactment: 2026 LEGISLATURE LRB-0872/2 FFK:cdc ASSEMBLY BILL 100 March 3, 2025 - Introduced by Representatives D ITTRICH, KNODL , ALLEN, ARMSTRONG , BEHNKE , BROOKS , CALLAHAN, DONOVAN , DUCHOW , GOEBEN , G REEN, GUNDRUM , GUSTAFSON, B.

JACOBSONAssembly ,Bill KREIBICH,100 KRUG,Date Mof AXEY,publication*: M OSES, M URPHY , M URSAU, NEDWESKI , O'CONNOR , PENTERMAN , PIWOWARCZYK , SORTWELL, STEFFEN, TUSLER, VANDERM EER and W ICHGERS, cosponsored by Senators UTTON , ELZKOWSKI , EYEN , ACQUE , APENGA , N AS, QUINN, TESTIN, OMCZYK and W ANGGAARD .

ReferredWISCONSIN ACT A N A CT to Committeeamend on118.13 Education.(1);

Ato Ncreate A118.132 CTand to118.315 amendof 118.13the (1);statutes;

to create 118.132 of the statutes;

designating athletic sports and teams operated or sponsored by public schools or private schools participating in a parental choice programpro- gram based on the biological sex of the participants.participants and locker room use.

AnalysisThe bypeople of the Legislativestate Referenceof BureauWisconsin, Thisrepresented bill requires each school board, independent charter school, and private school participating in asen- parental(2) choiceAn programeducational (educationalinstitution institution) that operates or sponsorsspon- anate interscholastic,and intramural,assembly, ordo clubenact athleticas teamfollows: or sport to designate the athletic team or sport based on the sex of the participating pupils.

Thesors billan definesinterscholastic, “sex”intramural, asor theclub sexathletic determinedteam ator birthsport byshall ado physicianall andof reflected on the birthfollowing: certificate.

TheSECTION bill1. also requires an educational institution to prohibit a male pupil from 1) participating on an athletic team or in an athletic sport designated for females and 2) using a locker room designated for females.

Finally, the bill requires the educational institution to notify pupils and parents if an educational institution intends to change a designation for an athletic team or sport.

- 2026 Legislature - 2 - LRB-0872/2 FFK:cdc ASSEMBLY BILL 100 SECTION 1 The people of the state of Wisconsin, represented in senate and assembly, do enact as follows:

S ECTION 1.

(a) Expressly designate the athletic team or sport as 118.13 (1) Except as provided in s.

118.132 (2) (b)one andof 120.13the (37m),following nobased personon may be denied admission to any public school or be denied participation in, be denied the benefitsbiological ofsex or be discriminated against in any curricular, extracurricular, pupil services, recreational or other program or activity because of the person’s(b) sex,and race,120.13 religion,(37m), nationalno origin,person ancestry,may creed,be pregnancy,denied maritaladmis- orparticipating parentalpupils: status, sexual orientation or physical, mental, emotional or learning disability.

S ECTION 2.

118.132 of the statutes is created to read:

118.132 Interscholastic or intramural sports;

designation as single sex.

(1) In this section:

(a) “Educational institution” means a school board, operator of a charter school authorized under s.

118.40 (2r) or (2x), and governing body of a private school participating in a program under s.

118.60 or 119.23.

(b) “Sex” means the sex determined at birth by a physician and reflected on the birth certificate.

(2) An educational institution that operates or sponsors an interscholastic, intramural, or club athletic team or sport shall do all of the following:

(a) Expressly designate the athletic team or sport as one of the following based on the sex of the participating pupils:

This designation may be referred to as “males,”sion “men,”to any public school or “boys.”be -denied 2026participation Legislaturein, -“males,” 3“men,” -or LRB-0872/2“boys.” FFK:cdcbe ASSEMBLYdenied BILLthe 100benefits SECTIONof 2or be discriminated against in 2.

This designation may be referred to as “females,”any “women,”curricular, orextracurricular, “girls.”pupil (b)services, Prohibitrecre- pupilsational ofor theother maleprogram sexor fromactivity participatingbecause onof anthe athleticper- team“females,” “women,” or in“girls.” anson’s athleticsex, sportrace, thatreligion, isnational designatedorigin, forancestry, femalescreed, under3. par.

Males and females.

This designation may be re- ferred to as “mixed-sex,” “coed,” or “inclusive.” pregnancy, marital or parental status, sexual orientation (b) Prohibit pupils of the male biological sex from or physical, mental, emotional or learning disability.

participating on an athletic team or in an athletic sport SECTION 2.

118.132 of the statutes is created to that is designated for females under par.

(c)read: Prohibit pupils of the male sex from using locker rooms designated for females.

118.132 Interscholastic or intramural sports;

(a), provide written notification of the change to pupils who are eligible to participate in the athletic sport or on the athletic team under the previous and current designation andas tosingle thesex parents or guardianscoed. of those pupils.

(3)(1) (a)In Athis pupilsection: of the female sex who is deprived of the opportunity to participate in an athletic sport or on an athletic team or who suffers any direct or indirect harm as the result of a violation of sub.

(2)(a), (b)provide orwritten (c)notification mayof bringthe achange causeto pupils (a) “Biological sex” means the physical condition of actionwho againstare eligible to participate in the athletic sport or on being male or female at birth, as stated on an educationalindivid- institutionthe forathletic injunctiveteam relief,under damages,the previous and anycurrent otherdesig- reliefual’s availableoriginal underbirth law.certificate.

(b)nation Aand pupilto of the femaleparents sex who is subject to retaliation or otherguardians adverse action by an educational institution or athletic association or organization, as a result of reportingthose apupils. violation of sub.

(2)(am) (b)“Educational orinstitution” (c)means toa anschool employee(3) or(a) representativeA pupil of the educationalfemale institutionbiological orsex athleticwho associationis orboard, organizationoperator orof to any state or federal agency with oversight over the educational institution, may bring a causecharter ofschool actionauthorized against the educational institution or athletic association or organization for injunctive relief, damages, and any other relief available under law.s.

-deprived 2026of Legislaturethe -opportunity 4to -participate LRB-0872/2in FFK:cdcan ASSEMBLYathletic BILL118.40 100(2r) Sor ECTION(2x), 2and (c)governing Anbody educationalof institutiona thatprivate sufferssport any direct or indirecton harman byathletic ateam governmental entity, licensing or accreditingwho organization,suffers orany athleticdirect association or organizationschool asparticipating in a resultprogram ofunder compliances. with sub.

(2)118.60 (b) or (c)indirect mayharm bringas athe causeresult of actiona againstviolation theof governmentalsub. entity, licensing or accrediting organization, or athletic association or organization for injunctive relief, damages, and any other relief available under law.