HIGH SCHOOL ACTIVITY CALENDAR


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All events are in (GMT-04:00) Eastern Time — New York time.

  • Sebago Counselor Meeting @ Chestnut Hill

    September 5, 2026  1:00 pm - 4:00 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    September 9, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge preceded by cookout

    September 12, 2026  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

    Preceded by cookout at 1 pm

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  • Wednesday Study Night @ Sparhawk

    September 16, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Meditation and Visit to the poor @ Sparhawk

    September 19, 2026  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    September 23, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    September 30, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Recollection @ Chestnut Hill

    October 3, 2026  1:00 pm - 4:00 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    October 7, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge

    October 10, 2026  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    October 14, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    October 21, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Meditation and Visit to the Poor @ Sparhawk

    October 24, 2026  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    October 28, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    November 4, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • 24 @ Sparhawk

    November 7, 2026  11:00 am - November 8, 2026  11:00 am
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge

    November 14, 2026  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    November 18, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Meditation and Visit to the Poor @ Chestnut Hill

    November 21, 2026  1:00 pm - 4:00 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    December 2, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Meditation and Visit to the Poor @ Sparhawk

    December 5, 2026  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    December 9, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge

    December 12, 2026  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    December 16, 2026  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • High School Retreat @ Arnold Hall

    December 18, 2026 - December 20, 2026  
    Arnold Hall Conference Center, 20 Randall St, Pembroke, MA 02359, USA

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  • 24 @ Sparhawk

    January 2, 2027  11:00 am - January 3, 2027  11:00 am
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    January 6, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge

    January 9, 2027  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    January 13, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Meditation and Visit to the Poor @ Sparhawk

    January 16, 2027  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    January 20, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    January 27, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    February 3, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Sebago Counselor Meeting @ Chestnut Hill

    February 6, 2027  1:00 pm - 4:00 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    February 10, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge

    February 13, 2027  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Tentative: Trip to NYC, or Service Project to Mexico or elsewhere

    February 15, 2027 - February 19, 2027  

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  • Meditation and Visit to the Poor @ Sparhawk

    February 20, 2027  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    February 24, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    March 3, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • High School Retreat @ Arnold Hall

    March 5, 2027 - March 7, 2027  
    Arnold Hall Conference Center, 20 Randall St, Pembroke, MA 02359, USA

    See more details

  • Wednesday Study Night @ Sparhawk

    March 10, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

    See more details

  • High School Retreat @ Arnold Hall

    March 12, 2027 - March 14, 2027  
    Arnold Hall Conference Center, 20 Randall St, Pembroke, MA 02359, USA

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  • Wednesday Study Night @ Sparhawk

    March 17, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge

    March 20, 2027  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

    For those who are not travelling for UNIV

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  • Wednesday Study Night @ Sparhawk

    March 24, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Meditation and Visit to the Poor @ Sparhawk

    March 27, 2027  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

    For those who are not travelling for UNIV

    See more details

  • Wednesday Study Night @ Sparhawk

    March 31, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • 24 @ Sparhawk

    April 3, 2027  11:00 am - April 4, 2027  11:00 am
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    April 7, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

    See more details

  • The Edge

    April 10, 2027  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

    See more details

  • Wednesday Study Night @ Sparhawk

    April 14, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

    See more details

  • Meditation and Visit to the Poor @ Sparhawk

    April 17, 2027  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    April 28, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • The Edge

    May 1, 2027  2:00 pm - 4:15 pm
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Wednesday Study Night @ Sparhawk

    May 5, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    May 12, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Meditation and Visit to the Poor @ Sparhawk

    May 15, 2027  1:00 pm - 4:00 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    May 19, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    May 26, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Wednesday Study Night @ Sparhawk

    June 2, 2027  4:30 pm - 8:15 pm
    Sparhawk Academy, 376 Orchard St, Millis, MA 02054, USA

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  • Sebago Counselor Meeting @ Chestnut Hill

    June 5, 2027
    Chestnut Hill Center, 481 Hammond St, Chestnut Hill, MA 02467, USA

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  • Sebago Camp Counselor weekend

    June 18, 2027 - June 20, 2027  
    Camp Moses Archery Range, Birch Hill Rd, Russell, MA 01071, USA

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  • Sebago Leadership Camp

    June 20, 2027 - June 26, 2027  
    Camp Moses Archery Range, Birch Hill Rd, Russell, MA 01071, USA

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  • Launch Program

    June 28, 2027 - July 2, 2027  
    Wynnview, 661 Sunset Hill Road, Randolph, VT 05060

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