On September 25th, two projects from The Thomas Jefferson STEM School participated in Duoc UC’s Arena IV 2026—the largest robotics gathering in Chile. Our 6th graders Rafaela Mardones, Rafael White, Rodrigo Araya, Cristóbal García, Fernanda Yáñez, and Rafael Mellado presented “3R-W.A.M” and “Smart Bag.” Both projects were developed by the Upper Elementary Robotics Elective and […]

From September 23rd to the 27th, our school hosted the 5th annual TJSS Olympics, welcoming student-athletes from seven guest schools across the region: Instituto de Humanidades, Colegio Amanecer, Sagrados Corazones, Saint John’s, Almondale Lomas, Almondale San Pedro de la Paz, and Colegio Creación. Over five exciting days, teams went head-to-head in Volleyball, Soccer, and Basketball […]

On September 2nd, our Early Childhood division kicked off Fiestas Patrias celebrations with its traditional showcase, welcoming families to join in the festive fun. The show opened with a special cueca performance by Seniors Martín Olave and Efraín Zúñiga dancing to “Linda Señorita.” Following the opening act, students from Baby School through Kindergarten delighted an […]

Three STEM projects from Thomas Jefferson STEM School’s Upper Elementary division have been selected to compete in scientific fairs—one in Valparaíso and two in Concepción, where TJSS stands out as the only participating school from the city of Talcahuano. In Valparaíso, from 6th Grade Francisca Amaza and Maximiliano Silva will take part in the 11th […]

Our Kindergarten students marked their 100th day of school by leading a special Morning Announcement and hosting their traditional “100 Objects” exhibition in the Early Childhood GYM. On Wednesday, August 19th, all of Early Childhood gathered for an Announcement filled with joy as students practiced counting by tens, enjoyed dance and musical performances by Kindergarten, […]

Vicente Díaz Díaz, an 11th grader at The Thomas Jefferson STEM School, has earned a spot on the 4-student high school team representing Chile at the 38th International Olympiad in Informatics (IOI)—the world’s most prestigious competitive programming and algorithmic problem-solving tournament for school-age students. Vicente is also the only team member from outside the Santiago […]

This semester, our Journalism Club —made up of students from 7th to 11th grade— released a brand-new episode of “TJSS News” and two new editions of “The Jeffersonian” newspaper. These three projects wrap up the first semester’s highlights at The Thomas Jefferson STEM School, featuring top events alongside recommendations and op-eds from our student news […]

During the first week of July, our school community celebrated the 250th anniversary of U.S. Independence with a variety of activities centered around this year’s theme: “A Nation of States.” The celebration kicked off on Wednesday, July 1st, with an assembly presented by our Oral English Challenge students, featuring poetry, patriotic songs, and monologues from […]

TJSS kicked off Kindness Week (Semana del Buen Trato) by celebrating Students Day. Over the next few days, students engaged in a variety of reflective activities focused on building personal and team commitments to keep TJSS a safe, welcoming and supportive place for everyone. Students participated in several hands-on creative projects, including: “Empathy Glasses,” “The […]

During the last two weeks of May, we were thrilled to welcome 15 students from Hawken School (Ohio, USA) as part of our ongoing student exchange program. Following tradition, each visiting student stayed with a host family from the Jeffersonian community, giving them a firsthand, immersive look into Chilean culture and daily life. Throughout the […]