What does SIS stand for?

The list of SIS abbreviation meanings.

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2
Supports Intensity Scale(Mental Health, Psychology, Special Education)
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APASmart Define. (2018). sis. Retrieved October 1, 2026, from http://smartdefine.org/sis/abbreviations/f/mental_health
ChicagoSmart Define. 2018. "sis" http://smartdefine.org/sis/abbreviations/f/mental_health (accessed October 1, 2026).
HarvardSmart Define 2018, sis, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/sis/abbreviations/f/mental_health>.
MLASmart Define. "sis" 15 February 2018. Web. 1 October 2026. <http://smartdefine.org/sis/abbreviations/f/mental_health>