A Mission-driven Community
St. Sebastian’s offers the best of the Catholic and Independent School traditions, with a mission that sets us apart from other schools in our league.
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Inspiring Innovation
St. Sebastian's provides creative spaces that encourage students to invent, create, innovate, and collaborate.
Beyond the Classroom
In tandem with a rich academic program, St. Sebastian’s provides a wide variety of opportunities for students to continue learning outside the classroom setting.
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Pursuing Truth Through Faith and Reason
The order of the day is to love God, work hard, and take good care of one another.
News and Events
Every young man will be known and loved and called to greatness.
![The Class of 2024 pose for a photo.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1733175060/stsebs/myd8zikylhb01mwbdwhy/112724-ClassOf2024-Yearbook-Reception-016.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1733175060/stsebs/myd8zikylhb01mwbdwhy/112724-ClassOf2024-Yearbook-Reception-016.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1733175060/stsebs/myd8zikylhb01mwbdwhy/112724-ClassOf2024-Yearbook-Reception-016.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1733175060/stsebs/myd8zikylhb01mwbdwhy/112724-ClassOf2024-Yearbook-Reception-016.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1733175060/stsebs/myd8zikylhb01mwbdwhy/112724-ClassOf2024-Yearbook-Reception-016.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1733175060/stsebs/myd8zikylhb01mwbdwhy/112724-ClassOf2024-Yearbook-Reception-016.jpg","width":2200}])
On Wednesday, November 27, the St. Sebastian’s Class of 2024 returned to campus, where they received their yearbooks and had the opportunity to reminisce as a group for the first time since June’s commencement.
![Catholic Charities Supported by St. Sebastian's "Cram the Van" Food Drive]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732718114/stsebs/sw9jbtl4nbd524reoeby/112524-Cram-The-Van-006.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732718114/stsebs/sw9jbtl4nbd524reoeby/112524-Cram-The-Van-006.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732718114/stsebs/sw9jbtl4nbd524reoeby/112524-Cram-The-Van-006.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732718114/stsebs/sw9jbtl4nbd524reoeby/112524-Cram-The-Van-006.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732718114/stsebs/sw9jbtl4nbd524reoeby/112524-Cram-The-Van-006.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732718114/stsebs/sw9jbtl4nbd524reoeby/112524-Cram-The-Van-006.jpg","width":2200}])
The St. Sebastian’s community continued its tradition of coming together to make a difference for our neighbors in need at Catholic Charities in the week leading up to Thanksgiving.
![Mark Carter P'28 Gives Keynote Address at Boston Business Breakfast]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732725168/stsebs/v3fdklwthbywlu3f43zf/112624-Boston-Business-Breakfast-051.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732725168/stsebs/v3fdklwthbywlu3f43zf/112624-Boston-Business-Breakfast-051.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732725168/stsebs/v3fdklwthbywlu3f43zf/112624-Boston-Business-Breakfast-051.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732725168/stsebs/v3fdklwthbywlu3f43zf/112624-Boston-Business-Breakfast-051.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732725168/stsebs/v3fdklwthbywlu3f43zf/112624-Boston-Business-Breakfast-051.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732725168/stsebs/v3fdklwthbywlu3f43zf/112624-Boston-Business-Breakfast-051.jpg","width":2200}])
Mark Carter P'28 gave the keynote address at the Boston Business Breakfast held at the Boston Harbor Hotel on Tuesday, November 26.
![A student with the assistant head of school and the head of school.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732650269/stsebs/tyt1isnmqd8rstyzsdsl/112524-ColePastore-NHS-006.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732650269/stsebs/tyt1isnmqd8rstyzsdsl/112524-ColePastore-NHS-006.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732650269/stsebs/tyt1isnmqd8rstyzsdsl/112524-ColePastore-NHS-006.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732650269/stsebs/tyt1isnmqd8rstyzsdsl/112524-ColePastore-NHS-006.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732650269/stsebs/tyt1isnmqd8rstyzsdsl/112524-ColePastore-NHS-006.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732650269/stsebs/tyt1isnmqd8rstyzsdsl/112524-ColePastore-NHS-006.jpg","width":2200}])
Head of School Brendan Sullivan, Assistant Head of School Mike Nerbonne, and National Honor Society moderator Sean Albertson inducted another St. Sebastian's student into the Sr. Evelyn C. Barrett, O.P. Chapter of the National Honor Society.
![A player heads the soccer ball in a game.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732548225/stsebs/e6skpkxllnxtfpyxd7ri/110624-LastHomeSoccerGame-vs-RL-003.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732548225/stsebs/e6skpkxllnxtfpyxd7ri/110624-LastHomeSoccerGame-vs-RL-003.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732548225/stsebs/e6skpkxllnxtfpyxd7ri/110624-LastHomeSoccerGame-vs-RL-003.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732548225/stsebs/e6skpkxllnxtfpyxd7ri/110624-LastHomeSoccerGame-vs-RL-003.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732548225/stsebs/e6skpkxllnxtfpyxd7ri/110624-LastHomeSoccerGame-vs-RL-003.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732548225/stsebs/e6skpkxllnxtfpyxd7ri/110624-LastHomeSoccerGame-vs-RL-003.jpg","width":2200}])
St. Sebastian's School is proud to recognize its student-athletes for their performance on the Arrows varsity cross country, football, and soccer teams.
![Guest speaker]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732546321/stsebs/asj4hvfsz0gnlkdvrq4x/112024-gambling-assembly-006.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732546321/stsebs/asj4hvfsz0gnlkdvrq4x/112024-gambling-assembly-006.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732546321/stsebs/asj4hvfsz0gnlkdvrq4x/112024-gambling-assembly-006.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732546321/stsebs/asj4hvfsz0gnlkdvrq4x/112024-gambling-assembly-006.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732546321/stsebs/asj4hvfsz0gnlkdvrq4x/112024-gambling-assembly-006.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732546321/stsebs/asj4hvfsz0gnlkdvrq4x/112024-gambling-assembly-006.jpg","width":2200}])
Public speaker Saul Malek addressed the St. Sebastian's community on November 19 as part of St. Sebastian's Health & Wellness initiative.
![Arrows attend St. Andrew's Dinner on November 19, 2024.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732394384/stsebs/uzrugb7blo6cvqhvhrrq/IMG_8767.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732394384/stsebs/uzrugb7blo6cvqhvhrrq/IMG_8767.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732394384/stsebs/uzrugb7blo6cvqhvhrrq/IMG_8767.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732394384/stsebs/uzrugb7blo6cvqhvhrrq/IMG_8767.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732394384/stsebs/uzrugb7blo6cvqhvhrrq/IMG_8767.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732394384/stsebs/uzrugb7blo6cvqhvhrrq/IMG_8767.jpg","width":2200}])
On November 18, the Religion Department brought four students over to St. John's Seminary in Brighton for the St. Andrew's Dinner.
![Class of 2025 at Senior Retreat]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732393811/stsebs/k3x8n2rfn3unqlm4y5tp/IMG_5861.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732393811/stsebs/k3x8n2rfn3unqlm4y5tp/IMG_5861.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732393811/stsebs/k3x8n2rfn3unqlm4y5tp/IMG_5861.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732393811/stsebs/k3x8n2rfn3unqlm4y5tp/IMG_5861.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732393811/stsebs/k3x8n2rfn3unqlm4y5tp/IMG_5861.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732393811/stsebs/k3x8n2rfn3unqlm4y5tp/IMG_5861.jpg","width":2200}])
From November 10-12, nineteen members of the Class of 2025 gathered at the Craigville Retreat Center on the Cape for a time of reflection, contemplation, prayer, and recreation.
![St. Sebastian's Hosts Firsts Biopharma/Life Sciences Industry Networking Event]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732134784/stsebs/gwk647u0wmzgiuoqveez/111924-professional-networking-007.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732134784/stsebs/gwk647u0wmzgiuoqveez/111924-professional-networking-007.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732134784/stsebs/gwk647u0wmzgiuoqveez/111924-professional-networking-007.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732134784/stsebs/gwk647u0wmzgiuoqveez/111924-professional-networking-007.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732134784/stsebs/gwk647u0wmzgiuoqveez/111924-professional-networking-007.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732134784/stsebs/gwk647u0wmzgiuoqveez/111924-professional-networking-007.jpg","width":2200}])
On Tuesday, November 19, St. Sebastian’s hosted its first Biopharma/Life Sciences Industry Networking Event at the headquarters of Vertex Pharmaceuticals in the Seaport.
![Academic Rigor Showcased During Curriculum Night]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1732119690/stsebs/gat3adqhxhkjewjfpmwq/111924-Curriculum-Night-014.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1732119690/stsebs/gat3adqhxhkjewjfpmwq/111924-Curriculum-Night-014.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1732119690/stsebs/gat3adqhxhkjewjfpmwq/111924-Curriculum-Night-014.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1732119690/stsebs/gat3adqhxhkjewjfpmwq/111924-Curriculum-Night-014.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1732119690/stsebs/gat3adqhxhkjewjfpmwq/111924-Curriculum-Night-014.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1732119690/stsebs/gat3adqhxhkjewjfpmwq/111924-Curriculum-Night-014.jpg","width":2200}])
The Admissions Office hosted Curriculum Night on Tuesday, November 19, giving prospective students and their families the opportunity to enjoy discussions of the School's curriculum with current students and faculty.
![Juniors Explore D.C. and Pay Respect on Veterans Day]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1731955282/stsebs/mqmrgfhh11isvqzyo692/2024-Washington-DC-by-Alistair_Cooper-013.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1731955282/stsebs/mqmrgfhh11isvqzyo692/2024-Washington-DC-by-Alistair_Cooper-013.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1731955282/stsebs/mqmrgfhh11isvqzyo692/2024-Washington-DC-by-Alistair_Cooper-013.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1731955282/stsebs/mqmrgfhh11isvqzyo692/2024-Washington-DC-by-Alistair_Cooper-013.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1731955282/stsebs/mqmrgfhh11isvqzyo692/2024-Washington-DC-by-Alistair_Cooper-013.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1731955282/stsebs/mqmrgfhh11isvqzyo692/2024-Washington-DC-by-Alistair_Cooper-013.jpg","width":2200}])
Our Junior class recently returned from an exciting and meaningful three-day trip to Washington, D.C., where they explored our history, culture, and leadership through unique experiences.
![Students work in a classroom.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1731944758/stsebs/fntw5vq6pafmwlamlihw/090624-First-Day-111.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1731944758/stsebs/fntw5vq6pafmwlamlihw/090624-First-Day-111.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1731944758/stsebs/fntw5vq6pafmwlamlihw/090624-First-Day-111.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1731944758/stsebs/fntw5vq6pafmwlamlihw/090624-First-Day-111.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1731944758/stsebs/fntw5vq6pafmwlamlihw/090624-First-Day-111.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1731944758/stsebs/fntw5vq6pafmwlamlihw/090624-First-Day-111.jpg","width":2200}])
St. Sebastian's School is proud to announce those students who were named to the First Quarter Honor Rolls.
![Tom Olivier P ’25 Presents at Finance Academy]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1731941967/stsebs/jo7ubsfbmhzbm3smh1f3/TomOlivierP25.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1731941967/stsebs/jo7ubsfbmhzbm3smh1f3/TomOlivierP25.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1731941967/stsebs/jo7ubsfbmhzbm3smh1f3/TomOlivierP25.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1731941967/stsebs/jo7ubsfbmhzbm3smh1f3/TomOlivierP25.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1731941967/stsebs/jo7ubsfbmhzbm3smh1f3/TomOlivierP25.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1731941967/stsebs/jo7ubsfbmhzbm3smh1f3/TomOlivierP25.jpg","width":1890}])
On Tuesday, November 7th, Mr. Tom Olivier P ’25 presented to the nearly 100 members of the St. Sebastian’s Finance Academy.
![Brendan Sullivan on The Road]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1731703773/stsebs/xcjfcyj66w29xz6wpfzp/NYC2024.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1731703773/stsebs/xcjfcyj66w29xz6wpfzp/NYC2024.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1731703773/stsebs/xcjfcyj66w29xz6wpfzp/NYC2024.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1731703773/stsebs/xcjfcyj66w29xz6wpfzp/NYC2024.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1731703773/stsebs/xcjfcyj66w29xz6wpfzp/NYC2024.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1731703773/stsebs/xcjfcyj66w29xz6wpfzp/NYC2024.jpg","width":2200}])
On November 11 and 12, Head of School Brendan Sullivan made the annual trip to connect with alumni in New York, Philadelphia, and Washington D.C.
![A group of seniors.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1731680930/stsebs/b2khlcxrv55noz8vwnhd/Senior-Service04.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1731680930/stsebs/b2khlcxrv55noz8vwnhd/Senior-Service04.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1731680930/stsebs/b2khlcxrv55noz8vwnhd/Senior-Service04.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1731680930/stsebs/b2khlcxrv55noz8vwnhd/Senior-Service04.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1731680930/stsebs/b2khlcxrv55noz8vwnhd/Senior-Service04.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1731680930/stsebs/b2khlcxrv55noz8vwnhd/Senior-Service04.jpg","width":2200}])
On Tuesday, November 12th members of the senior class went to three different sites for a day of service.
Calendar
all day
Schedule C
Schedule A
all day
all day
OUR COMMUNITY
“The time and devotion given to every student by every teacher is incredible to say the least.”
“Once in. Never Out. It’s resoundingly true. Alums are always coming back as though they never left.”
“St. Sebastian’s is more than a school or a community. It is a family.”
Why St. Sebastian’s?
The best way to experience the mission of St. Sebastian’s is by visiting our campus in person. In the meantime, here is a glimpse of life on Greendale Avenue.
