Sigma Theta Psi Multicultural Sorority, Inc. Our pillars are honesty, loyalty, respect, open-mindedness, respect, leadership, and academic excellence.
is an academic and social sorority looking to establish our multicultural roots on Fullerton's campus with passionate student leaders like you! is an academic and social sorority, founded and still recognized as a multicultural organization of goal-oriented womxn. Established in 1991 at San Jose State University, the sorority continues to grow across California and Nevada, and a campus near you! W
e are looking for leaders and change seekers on campus, those who want to leave a legacy for future Titans. We look forward to meeting you, sharing more of our story, and learning yours! Connect with us on all social media, Instagram, Twitter and Facebook @sigmathetapsi and @stp_fullerton, or email us directly at [email protected]
05/05/2026
We all joined for different reasons, but somehow they all led us here 💜
What brought us to STP gave us connection, growth, and a place to call home 🫶🏼
5 years later, the love for STP remains the same. Happy 5 years to Xi Chapter ✨
04/26/2026
Why do you love Fullerton ✨?
The sisters of Sigma Theta Psi, Xi Chapter💫, had such a great time at the annual Love Fullerton event hosted by the City of Fullerton 🍊 !
We’re always grateful for opportunities to give back, serve our community, and represent our chapter in meaningful ways🫶🏼🤩
04/19/2026
Xi chapter hosting conference 🤩💅🏼
Our first time hosting and we’re really proud of how everything turned out💜🖤💛
Thank you to everyone who came out and made it such a good night 🤍
recap coming soon✨🥂
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04/18/2026
Still not over MGC Banda Night 🐴✨🎞️🤠
We’re so grateful for a space where our culture, music, and community can come together so naturally. Thank you to the Multicultural Greek Council, , for making it all happen 🫶🏽🤩. We can’t wait for the next one✨🥂
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03/26/2026
Pie A Sigma recap 🥧✨
Thank you so much to everyone who donated and came out to support us!! We hope you had fun pieing us…we definitely felt it 🫶🏼😭
Huge shout out to our fundraiser chairs @06.emilyy_ & .paramo_magana for a fun and successful event 💜🖤💛
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03/05/2026
Nothing like an Ace and Tail duo 🤭✨
Tag the Ace and Tail of your line ⬇️⬇️
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02/01/2026
⊹ ࣪ ˖ Sigma Sunday ⊹ ࣪ ˖
As the year continues, we’re sharing what we’re looking forward to 🎂
What are you looking forward to in 2026💫?
01/25/2026
⊹ ࣪ ˖ Sigma Sunday ⊹ ࣪ ˖
Recapping Emily’s OOTDs from the first week of school🤩 🤍📚
How are you showing up to class this semester — comfy or cute? ✨
12/27/2025
2025 in pieces 💜🖤💛
Thankful for the memories we made together✨
What was you’re favorite memory this year🤩?
11/13/2025
Celebrating 34 years of Sigma Theta Psi🥂✨
Thank you to the 18 visionary women who built our foundation, and to the members who continue to carry their legacy with pride.
To many more years of Sigma Love, Theta Pride, and Ladies of Psi💜🖤💛🐾
