100 Highway 61 North, PO Box 160, Potosi, WI 53820 – (608) 763-2120
| PRINCIPAL: Sr. Elizabeth Dunn, OP | |
| Saints Andrew-Thomas Parish | |
| PASTOR: Reverend Richard J. Leffler | |
| St. Thomas Parish, Potosi | – Organized in 1836 |
| – Present Church Built in 1847 | |
| St. Andrew Parish, Tennyson | – Organized in 1846 |
| – Present Church Built in 1875 | |
| Saints Andrew–Thomas Parish | – Established in 1970 |
| Continuous Catholic Education Since 1843 | – Present School Built in 1964 |
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| Masses: | Saturday |
| 4:00 PM | St. Andrew |
| Sunday | |
| 8:00 AM | St. Thomas |
| 10:00 AM | St. Andrew |
| Weekdays – Consult Bulletin | |
| Reconciliation: | Saturday's One Half Hour Before Mass And Other Times By Request |