- Mrs. Laureen Baldwin Main Office baldwinl@ollchs.org 1112
- Mrs. Debbie Barrick Health Office barrickd@ollchs.org 1131
- Rev. Michael Connolly School Chaplain connollym@ollchs.org 2525
- Mrs. Rebecca Imperati Attendance imperatir@ollchs.org 1187
- Mrs. Christine Kolosky Office of Institutional Advancement koloskyc@ollchs.org 1005
- Mr. Laurence Lanigan Technology laniganl@ollchs.org 1146
- Mrs. Peggy Lanigan Main Office laniganp@ollchs.org 1010
- Mrs. Christa Maserjian Advancement Office maserjianc@ollchs.org 1211
- Mrs. Lauren O’Flaherty Office of Institutional Advancement oflahertyl@ollchs.org 1126
- 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. Marybeth Sweeney Finance Office sweeneym@ollchs.org 1137
- Mrs. Jeannie Wells Administration wellsj@ollchs.org 1114