Arlington Catholic High School

Arlington Catholic, founded in 1960 and located in Arlington, MA, is a co-ed college preparatory high school. Follow @AC_Athletics for AC sports.

[Arlington Catholic High School @ACHSCougars]

Follow our new joint social media accounts for SAS/ACHS to stay up-to-date on all of the exciting things happening in our school community! @achssas

[Arlington Catholic High School @ACHSCougars]

Today we welcomed all new students and families into the Arlington Catholic community with New Student Orientation, starting off this morning with our annual Opening Liturgy celebrated by AC Chaplain Fr. Chris Boyle!

[Archdio. of Boston @bostoncatholic]

On Sunday, World Youth Day pilgrims attended Mass at the Fatima Shrine, where Cardinal Seán was the primary celebrant of the International Mass. In the afternoon, groups visited the sites of the Marian apparitions and met some of the volunteers, aiding pilgrims. #bostoncatholic

[Arlington Catholic High School @ACHSCougars]

When you make a gift, in any amount, to SAS/ACHS before June 30, you support more than 700 students on our campus. Won’t you join us today in supporting SAS/AC? https://t.co/fpZ79kxNEE

Thank you!

[Arlington Catholic High School @ACHSCougars]

May all of us never forget our shared humanity, and that each of us is created in the image and likeness of God, as we continue to work towards a culture of diversity, inclusion, and belonging. #Juneteenth🖤❤️💛💚

[Arlington Catholic Cougars Athletics @AC_Athletics]

*CHEER TRYOUTS UPDATED LOCATION*

Interested in cheering for the Cougars? Come tryout for the AC cheer squad!

Tryouts will take place on Tuesday, June 6th at 6:00pm in the AC Gym and on Wednesday, June 7th at 6:00pm at the Kathleen A. Hintlian Athletic Field.

[Arlington Catholic Cougars Athletics @AC_Athletics]

COUGARS WIN! The Girls Varsity Softball team came out on top against Pentucket Regional High School on Friday with a final score of 4-3.

Congratulations @acgvsb!! We'll be cheering you on in the next round.

[Arlington Catholic Cougars Athletics @AC_Athletics]

Boys Lacrosse is playing against Medfield High School on Monday night at 7:00pm!

Come support our Cougars! Purchase tickets here: https://t.co/uC93cz2kLd

[Arlington Catholic Cougars Athletics @AC_Athletics]

Let’s pack the Cougar Den and support the Boys Baseball team when they play Watertown High School on Saturday at 3:30pm! #GoCougars 🐾

[Arlington Catholic High School @ACHSCougars]

The Girls Softball team are taking on Pentucket Regional High School Friday night for the MIAA Tournament! Come cheer them on at Groveland Pines Recreation Area in Groveland at 4:30pm! #GoCougars

[Arlington Catholic High School @ACHSCougars]

Today the seniors concluded their time as Arlington Catholic High School students with a wonderful Commencement Ceremony. CONGRATULATIONS #CLASSOF2023! 🎓💙💛🐾

[Saint Agnes School @stagnesschool]

WHAT TEAM?! ❤️🤍

Come see the SAS Drama Club in their performance of High School Musical: On Stage! Shows are this Friday and Saturday. Tickets are $5 for students and $10 for general admission.

#highschoolmusical

[Arlington Catholic High School @ACHSCougars]

Tomorrow night, the AC music department is having their spring concert at 7pm! 🎶🎶 Come support our talented students!

[Arlington Catholic High School @ACHSCougars]

Congratulations to AC senior Isaiah Osgood who's been signed to play Football with @BentleyFalcons!

[Arlington Catholic Cougars Athletics @AC_Athletics]

Congratulations to AC senior Isaiah Osgood who's been signed to play Football with @BentleyFalcons!

[Arlington Catholic High School @ACHSCougars]

Congratulations to AC senior Thomas Driscoll who signed to play Lacrosse with @STAHawks!

[Arlington Catholic Cougars Athletics @AC_Athletics]

Congratulations to AC senior Thomas Driscoll who signed to play Lacrosse with @STAHawks!

[AC Lacrosse @lax_ac]

Congratulations to Thomas Driscoll signing his letter if intent to play lacrosse at St Anselm’s. Great kid going to a great program. #family @ACHSCougars

[Arlington Catholic High School @ACHSCougars]

The Climate Club presented a check and children's nature book to Fr. Marc for the elementary school at St. Theresa of Lisieux Parish, Lusaka, Zambia. The club is donating the check to the school's library for nature and science books.