Lunes 07:30 - 16:00 Martes 07:30 - 16:00 Miércoles 07:30 - 16:00 Jueves 07:30 - 16:00 Viernes 07:30 - 16:00

SESO - Southwestern Educational Society

Casa
Puerto Rico
Mayaguez
SESO - Southwestern Educational Society

We are a college preparatory school committed to developing competent, well-rounded students Welcome to Southwestern Educational Society (SESO).

We are pleased that you are interested in our school. SESO is a college preparatory school committed to developing competent, well-rounded students in an environment that values individual intellectual achievement and modern and flexible teaching techniques and methods. SESO fosters bilingualism within a Puerto Rican cultural context by means of an English immersion program. Our curriculum is desi

gned to help students develop the necessary skills and habits needed for academic and life success. Combine with active participation in co-curricular activities, and your experiences at SESO will be exciting and rewarding. Our vast academic offer provides our students with a wide variety of experiences that enrich every aspect of the academic program and help them develop their personal academic interests. Within the regular program the students are exposed to SAT training in Math and English, and Advance Placement Courses in various subjects. Our curriculum brings the students the tools to get into the best colleges and universities around the world, and the skills to be successful in the process of developing their professional career. Our faculty members are excellent professionals fully bilingual with distinguished academic credentials and experience. Mentoring students to assure their academic and personal success is the foremost goal of our faculty. Guidance Counselors also help students explore their interests and abilities to assure their success as students and professionals in the near future.. SESO is not just a school, is a lifestyle… Come and live the SESO life!!!

31/08/2026

𝐖𝐞𝐥𝐜𝐨𝐦𝐞 𝐭𝐨 𝐒𝐄𝐒𝐎, 𝐙𝐮𝐥 𝐐𝐮𝐢𝐥𝐞𝐬❗👩‍🏫🏫🦁✨

𝐌𝐬. 𝐐𝐮𝐢𝐥𝐞𝐬 joins our English Department after more than 20 years of teaching in Florida. She holds a bachelor's degree in Linguistics, with a minor in Education and a minor in Physical Education.

27/08/2026

𝐌𝐢𝐬𝐬𝐢𝐧𝐠 𝐚 𝐣𝐚𝐜𝐤𝐞𝐭, 𝐥𝐮𝐧𝐜𝐡 𝐛𝐨𝐱, 𝐰𝐚𝐭𝐞𝐫 𝐛𝐨𝐭𝐭𝐥𝐞, 𝐨𝐫 𝐬𝐰𝐞𝐚𝐭𝐞𝐫❓🎧🔑🍶🧥

Before replacing it, be sure to check our Lost & Found. Many items are turned in throughout the school year and are waiting to be claimed.

If your child is missing something, please stop by or contact the school office to see if it has been found.

26/08/2026

⚡𝐓𝐢𝐦𝐞 𝐫𝐞𝐚𝐥𝐥𝐲 𝐟𝐥𝐢𝐞𝐬 𝐰𝐡𝐞𝐧 𝐲𝐨𝐮’𝐫𝐞 𝐦𝐚𝐤𝐢𝐧𝐠 𝐥𝐢𝐟𝐞𝐥𝐨𝐧𝐠 𝐦𝐞𝐦𝐨𝐫𝐢𝐞𝐬 𝐚𝐭 𝐒𝐄𝐒𝐎❗⚡

From 2nd grade in 2016 to 11th grade in 2026, 𝐃𝐞𝐥𝐢𝐦𝐚𝐫𝐢𝐞 𝐃𝐞𝐥𝐠𝐚𝐝𝐨 𝐑𝐢𝐯𝐞𝐫𝐚 and 𝐀𝐞𝐫𝐲𝐬 𝐑𝐨𝐝𝐫𝐢𝐠𝐮𝐞𝐳 𝐌𝐞𝐫𝐜𝐚𝐝𝐨 jumped into the 𝐒𝐄𝐒𝐎 Time Machine and traveled ten years into the future!

Same friendship, same playground spot, just a lot bigger and brighter!

24/08/2026

Puerto Rican actor 𝐄𝐝𝐰𝐢𝐧 𝐌𝐚𝐧𝐮𝐞𝐥 𝐅𝐢𝐠𝐮𝐞𝐫𝐨𝐚 𝐂𝐚𝐫𝐚𝐛𝐚𝐥𝐥𝐨, a 𝐒𝐄𝐒𝐎 graduate and member of the 2022 Warriors Class, continues to make his mark on New York stages. In May 2026, he graduated with a degree in Drama from New York University (NYU), culminating an important stage of his artistic training and paving the way for the development of his professional career.

Just months after his college graduation, 𝐄𝐝𝐰𝐢𝐧 𝐌𝐚𝐧𝐮𝐞𝐥 was selected to play the lead role of Elliot Ortiz in Elliot, 𝐀 𝐒𝐨𝐥𝐝𝐢𝐞𝐫❜𝐬 𝐅𝐮𝐠𝐮𝐞, a play by renowned Pulitzer Prize-winning playwright Quiara Alegría Hudes. The production is being presented at Repertorio Español in New York City, featuring five performances from August 15 to 23, 2026.

From the classrooms of 𝐒𝐄𝐒𝐎 as a Warrior of the Class of 2022, to his training at NYU, and now to professional stages in New York, 𝐄𝐝𝐰𝐢𝐧 𝐌𝐚𝐧𝐮𝐞𝐥 continues to build a promising career in the performing arts and proudly represent Puerto Rican talent.

21/08/2026

𝐖𝐞'𝐫𝐞 𝐡𝐢𝐫𝐢𝐧𝐠 𝐚 𝐌𝐚𝐭𝐡 𝐓𝐞𝐚𝐜𝐡𝐞𝐫❗️✖️➗➕➖

Join a school where mathematics extends beyond the classroom through competitions and academic challenges.

Join the SESO team! Send your resume to [email protected].

21/08/2026

Congratulations to 𝐖𝐢𝐥𝐥𝐢𝐚𝐦 𝐃𝐞𝐬𝐡𝐦𝐮𝐤𝐡 for earning a bronze medal while representing Puerto Rico at the 𝐗𝐕𝐈𝐈𝐈 𝐂𝐞𝐧𝐭𝐫𝐚𝐥 𝐀𝐦𝐞𝐫𝐢𝐜𝐚𝐧 𝐚𝐧𝐝 𝐂𝐚𝐫𝐢𝐛𝐛𝐞𝐚𝐧 𝐌𝐚𝐭𝐡𝐞𝐦𝐚𝐭𝐢𝐜𝐚𝐥 𝐎𝐥𝐲𝐦𝐩𝐢𝐚𝐝 (𝐎𝐌𝐂𝐂) 𝟐𝟎𝟐𝟔 in Durango, Mexico. William was one in a team of four students selected to represent Puerto Rico. 🇵🇷🥉✨

Click the link below for more info from Department of Mathematical Sciences, UPR-Mayaguez: ⤵️
https://www.facebook.com/share/p/19P9PoGgaz/

20/08/2026

𝐀 𝐧𝐞𝐰 𝐬𝐜𝐡𝐨𝐨𝐥 𝐲𝐞𝐚𝐫, 𝐚 𝐧𝐞𝐰 𝐬𝐩𝐚𝐜𝐞 𝐭𝐨 𝐥𝐞𝐚𝐫𝐧. ☝️🤓🖥️⌨️🛜

Take a look inside our updated Elementary Computer Lab.

19/08/2026

𝐓𝐡𝐞𝐲❜𝐥𝐥 🔴 𝐛𝐞 🟡 𝐭𝐡𝐞𝐫𝐞 🔵 𝐟𝐨𝐫 𝐲𝐨𝐮...🦁✨

Meet the newest members of the 𝐒𝐄𝐒𝐎 family!

Over the next few days, we'll introduce each of them and share more about their background and experience.

Welcome to 𝐒𝐄𝐒𝐎!

18/08/2026

During Friday's Welcome Assembly organized by The SESO Student Council, we welcomed our 𝐧𝐞𝐰 𝐬𝐭𝐮𝐝𝐞𝐧𝐭𝐬 and 𝐟𝐚𝐜𝐮𝐥𝐭𝐲, recognized last year's 𝐇𝐨𝐧𝐨𝐫 𝐑𝐨𝐥𝐥 and 𝐇𝐢𝐠𝐡 𝐇𝐨𝐧𝐨𝐫 𝐑𝐨𝐥𝐥 𝐬𝐭𝐮𝐝𝐞𝐧𝐭𝐬 for their academic achievement, and honored 𝐒𝐄𝐒𝐎 Physical Education teacher 𝐋𝐮𝐢𝐬 𝐓𝐨𝐫𝐫𝐞𝐬 for winning the bronze medal in Karate at the 2026 Central American and Caribbean Games.

17/08/2026

𝐂𝐨𝐧𝐠𝐫𝐚𝐭𝐮𝐥𝐚𝐭𝐢𝐨𝐧𝐬 𝐭𝐨 𝐑𝐨𝐜𝐢𝐨 𝐝𝐞𝐥 𝐏𝐢𝐥𝐚𝐫 𝐌𝐚𝐭𝐨𝐬 𝐏𝐞𝐫𝐞𝐳 𝐚𝐧𝐝 𝐆𝐢𝐚𝐧𝐧𝐚 𝐍𝐢𝐜𝐨𝐥𝐞 𝐂𝐞𝐝𝐞𝐧𝐨 𝐅𝐞𝐥𝐢𝐜𝐢𝐚𝐧𝐨 𝐨𝐧 𝐫𝐞𝐜𝐞𝐢𝐯𝐢𝐧𝐠 𝐭𝐡𝐞 𝐑𝐚𝐟𝐚𝐞𝐥 𝐂𝐚𝐫𝐫𝐢𝐨́𝐧 𝐉𝐫. 𝐀𝐜𝐚𝐝𝐞𝐦𝐢𝐜 𝐄𝐱𝐜𝐞𝐥𝐥𝐞𝐧𝐜𝐞 𝐀𝐰𝐚𝐫𝐝 𝐟𝐫𝐨𝐦 𝐅𝐮𝐧𝐝𝐚𝐜𝐢𝐨́𝐧 𝐁𝐚𝐧𝐜𝐨 𝐏𝐨𝐩𝐮𝐥𝐚𝐫 𝐝𝐞 𝐏𝐮𝐞𝐫𝐭𝐨 𝐑𝐢𝐜𝐨. 🎖️✨🦁

We also congratulate SESO alumna 𝐒𝐮𝐦𝐦𝐞𝐫 𝐋𝐮 𝐂𝐡𝐞𝐧 on receiving this recognition.

Dirección

Route 108 Km 3. 2 Camino Pitillo Bo. Sabanetas, Sector Cuba-Miradero
Mayaguez
00680

Horario de Apertura

Lunes	07:30 - 16:00
Martes	07:30 - 16:00
Miércoles	07:30 - 16:00
Jueves	07:30 - 16:00
Viernes	07:30 - 16:00

Teléfono

+17878342150

Página web

https://linktr.ee/sesolion

Notificaciones

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