- Mrs. Laureen Baldwin Main Office baldwinl@ollchs.org 1112
- Mrs. Debbie Barrick Health Office barrickd@ollchs.org 1131
- Mrs. Mary Burke Finance Office burkem@ollchs.org 1010
- Mrs. Liz Devlin Main Office devlinl@ollchs.org 1122
- Mr. Matthias Johnson Technology johnsonmatt@ollchs.org 1146
- Mrs. Christine Kolosky Office of Institutional Advancement koloskyc@ollchs.org 1005
- Mrs. Peggy Lanigan Attendance Office laniganp@ollchs.org 1126
- Mrs. Christa Maserjian Athletics maserjianc@ollchs.org 1127
- Ms. Ellen O’Leary Finance Office olearye@ollchs.org 1116
- Mrs. Madeline Paonessa Main Office paonessam@ollchs.org 1110
- Mrs. Kathleen Powers Admissions Office powers.kathleen@ollchs.org 1009
- Ms. Danielle Riley Office of Institutional Advancement rileyd@ollchs.org 1148
- Mrs. Paula Tullo Finance Office tullop@ollchs.org 1137
- Mrs. Jeannie Wells Administration wellsj@ollchs.org 1114