| SANDUSKY | |||||
| Serial Number | Name of the School | Number of Rooms Tested | Rooms => Action Level of 4 pCi/L | Maximum Radon Concentration( pCi/l ) | Year |
| 1 | BELLEVUE HIGH SCHOOL | 37 | 0 | 3.3 | 2003 |
| 2 | BELLEVUE JUNIOR HIGH SCHOOL | 35 | 0 | 2.6 | 2003 |
| 3 | BOARD OF EDUCATION OFFICE | 14 | 2 | 8.3 | 2003 |
| 4 | ELLIS ELEMENTARY SCHOOL | 15 | 9 | 8.8 | 2003 |
| 5 | LYME ELEMENTARY SCHOOL | 12 | 12 | 16.4 | 2003 |
| 6 | RIDGE ELEMENTARY SCHOOL | 12 | 0 | 2.7 | 2003 |
| 7 | SAINT JOSEPH CENTRAL CATHOLIC SCHOOLS | 10 | 0 | 0.3 | 2009 |
| 8 | SENTINEL JOINT VOCATIONALSCHOOL | 29 | 0 | 2.0 | 1995 |
| 9 | SHUMAKER ELEMENTARY SCHOOL | 13 | 1 | 5.2 | 2003 |
| 10 | VANGAURD-SENTINEL CAREER CENTERS | 164 | 0 | 3.0 | 2009 |
| 11 | YORK ELEMENTARY SCHOOL | 20 | 0 | 0.9 | 2003 |
| SCIOTO | |||||
| Serial Number | Name of the School | Number of Rooms Tested | Rooms => Action Level of 4 pCi/L | Maximum Radon Concentration( pCi/l ) | Year |
| 1 | MINFORD ELEMENTARY | 34 | 0 | 2.7 | 1999 |
| 2 | MINFORD HS | 28 | 2 | 7.9 | 1999 |
| 3 | MINFORD MS | 18 | 0 | 2.3 | 1999 |
| 4 | SCIOTO SO. BD MRDD | 23 | 0 | 2.9 | 2008 |
| SENECA | |||||
| Serial Number | Name of the School | Number of Rooms Tested | Rooms => Action Level of 4 pCi/L | Maximum Radon Concentration( pCi/l ) | Year |
| 1 | ATTICA ELEMENTARY SCHOOL | 7 | 0 | 2.0 | NA |
| 2 | BLOOMVILLE ELEMENTARY SCHOOL | 3 | 0 | 1.1 | 1996 |
| 3 | CLINTON ELEMENTARY SCHOOL | NA | 0 | NA | 1996 |
| 4 | COLUMBIAN HIGH SCHOOL | NA | 0 | NA | 1996 |
| 5 | FIELD ELEMENTARY SCHOOL | 18 | NA | 7.8 | NA |
| 6 | FOSTORIA HIGH SCHOOL | 31 | NA | 4.4 | NA |
| 7 | FOSTORIA MIDDLE SCHOOL | 47 | 0 | 0.8 | NA |
| 8 | HOPEWELL - LOUDON ELEMENTARY AND | 43 | NA | 12.7 | NA |
| 9 | KROUT ELEMENTARY SCHOOL | NA | 0 | NA | 1996 |
| 10 | LINCOLN ELEMENTARY SCHOOL | NA | 0 | NA | 1996 |
| 11 | LONGFELLOW ELEMENTARY SCHOOL | 8 | 0 | 2.9 | NA |
| 12 | LOWELL ELEMENTARY SCHOOL | 8 | 2 | 4.7 | 1995 |
| 13 | NEW RIEGEL ELEMENTARY SCHOOL | 15 | 3 | 5.5 | 1995 |
| 14 | NEW RIEGEL HIGH SCHOOL | 18 | 0 | 3.7 | 1995 |
| 15 | NEW RIEGEL SCHOOL | 63 | 0 | 1.2 | 2008 |
| 16 | NOBLE ELEMENTARY SCHOOL | 3 | 0 | 1.7 | 1996 |
| 17 | OLD FORT ELE AND HS | 19 | 0 | 3.8 | 1995 |
| 18 | OLD FORT HIGH SCHOOL | 20 | 0 | 3.6 | 1995 |
| 19 | RILEY ELEMENTARY SCHOOL | 12 | NA | 10.9 | 1995 |
| 20 | SCHOOL OF OPPORTUNITY | 17 | 0 | 1.5 | 1995 |
| 21 | SENECA - HURON ELEMENTARY SCHOOL | 15 | 0 | 0.0 | NA |
| 22 | SENECA EAST HIGH SCHOOL | 21 | 0 | 3.5 | NA |
| 23 | SENECA EAST JUNIOR AND REPUBLIC EL | 22 | 0 | 0.0 | NA |
| 24 | SENTINEL JVS | 29 | 0 | 2.0 | 1995 |
| 25 | ST. JOSEPH'S | 7 | 2 | 9.8 | 1995 |
| 26 | ST. MARY'S | 7 | 1 | 10.0 | 1995 |
| 27 | TIFFIN JUNIOR SCHOOL | 5 | 0 | 1.9 | 1996 |
| 28 | TIFFIN MIDDLE SCHOOL | 5 | 0 | 3.1 | 1996 |
| 29 | WASHINGTON ELEMENTARY SCHOOL | NA | 3 | 5.1 | 1996 |
| SHELBY | |||||
| Serial Number | Name of the School | Number of Rooms Tested | Rooms => Action Level of 4 pCi/L | Maximum Radon Concentration( pCi/l ) | Year |
| 1 | FORT LORAMIE JUNIOR-SENIOR HIGH SCHOOL | 81 | 0 | 1.3 | 2009 |
| 2 | JACKSON CENTER LOCAL SCHOOL | 54 | 2 | 4.9 | 2008 |
| STARK | |||||
| Serial Number | Name of the School | Number of Rooms Tested | Rooms => Action Level of 4 pCi/L | Maximum Radon Concentration( pCi/l ) | Year |
| 1 | BUS GARAGE | 6 | 0 | 1.4 | 2009 |
| 2 | CANTON COUNTRY DAY SCHOOL | 51 | 2 | 8.1 | 2004 |
| 3 | HARTVILLE ELEMENTARY | 25 | 0 | 3.0 | 2009 |
| 4 | LAKE ELEMENTARY | 36 | 0 | 0.6 | 2009 |
| 5 | LAKE HIGH SCHOOL | 126 | 0 | 1.2 | 2009 |
| 6 | LAKE MIDDLE SCHOOL | 61 | 0 | 3.7 | 2009 |
| 7 | MINERVA MIDDLE SCHOOL | 50 | 0 | 3.3 | 2009 |
| 8 | SANDY VALLEY ELEMENTARY SCHOOL | 62 | 0 | 3.1 | 2009 |
| 9 | SANDY VALLEY MIDDLE & HIGH SCHOOL | 85 | 1 | 5.1 | 2009 |
| 10 | UNIONTOWN ELEMENTARY | 46 | 0 | 2.7 | 2009 |
| SUMMIT | |||||
| Serial Number | Name of the School | Number of Rooms Tested | Rooms => Action Level of 4 pCi/L | Maximum Radon Concentration( pCi/l ) | Year |
| 1 | ADMIN BUILDING | 18 | 0 | 1.4 | 2004-05 |
| 2 | BARBER ELEMENTARY | 14 | 0 | 0.6 | 2004-05 |
| 3 | BARRETT ELEMENTARY | 23 | 0 | 2.4 | 2004-05 |
| 4 | BATH ELEMENTARY | 34 | 9 | 9.9 | 2005 |
| 5 | BETTES ELEMENTARY | 22 | 0 | 1.3 | 2004-05 |
| 6 | BETTY JANE ELEMENTARY | 37 | 0 | 1.5 | 2004-05 |
| 7 | BUCHTEL HS | 45 | 0 | 0.9 | 2004-05 |
| 8 | CASE ELEMENTARY | 42 | 0 | 3.7 | 2004-05 |
| 9 | CENTRAL HOWER HS | 44 | 0 | 0.5 | 2004-05 |
| 10 | CENTRAL LEARNING CENTER | 18 | 0 | 3.6 | 2004-05 |
| 11 | CROSBY ELEMENTARY | 11 | 1 | 5.5 | 2004-05 |
| 12 | CROUSE ELEMENTARY | 14 | 0 | 3.2 | 2004-05 |
| 13 | DIST/TRANS | 33 | 6 | 4.3 | 2004-05 |
| 14 | EAST HS | 57 | 1 | 5.4 | 2004-05 |
| 15 | ELLETT | 61 | 0 | 3.1 | 2004-05 |
| 16 | ERIE ISLAND ELEMENTARY | 53 | 0 | 1.5 | 2004-05 |
| 17 | ESSEX ELEMENTARY | 32 | 0 | 0.5 | 2004-05 |
| 18 | FINDLEY ELEMENTARY | 23 | 0 | 3.1 | 2004-05 |
| 19 | FIRESTONE ELEMENTARY | 15 | 0 | 1.1 | 2004-05 |
| 20 | FIRESTONE H S | 54 | 0 | 2.4 | 2004-05 |
| 21 | FOREST HILLS ELEMENTARY | 16 | 0 | 0.8 | 2004-05 |
| 22 | GARFIELD HS | 45 | 0 | 1.4 | 2004-05 |
| 23 | GLOVER ELEMENTARY | 12 | 0 | 1.1 | 2004-05 |
| 24 | GOODRICH MS | 29 | 0 | 1.0 | 2004-05 |
| 25 | GOODYEAR MS | 32 | 1 | 4.3 | 2004-05 |
| 26 | GUINTHER ELEMENTARY | 12 | 0 | 0.3 | 2004-05 |
| 27 | HARRIS ELEMENTAY | 29 | 0 | 0.8 | 2004-05 |
| 28 | HATTON ELEMENTARY | 44 | 0 | 1.1 | 2004-05 |
| 29 | HEMMINGER ELEMENTARY | 5 | 0 | 1.4 | 2004-05 |
| 30 | HILLCREST ELEMENTARY | 66 | 0 | 1.1 | 2005 |
| 31 | HOTCHKISS ELEMENTARY | 22 | 8 | 12.5 | 2004-05 |
| 32 | HYRE MS | 60 | 0 | 1.9 | 2004-05 |
| 33 | INNES MS | 40 | 0 | 0.8 | 2004-05 |
| 34 | JACKSON ELEMENTARY | 17 | 0 | 0.7 | 2004-05 |
| 35 | JENNINGS MS | 17 | 0 | 1.6 | 2004-05 |
| 36 | KENMORE HS | 37 | 0 | 0.9 | 2004-05 |
| 37 | KENT MS | 49 | 0 | 1.6 | 2004-05 |
| 38 | KING ELEMENTARY | 14 | 0 | 1.4 | 2004-05 |
| 39 | LAWNDALE ELEMENTARY | 11 | 0 | 0.7 | 2004-05 |
| 40 | LEGGETT ELEMENTARY | 25 | 0 | 1.0 | 2004-05 |
| 41 | LINCOLN ELEMENTARY | 32 | 0 | 1.3 | 2004-05 |
| 42 | LITCHFIELD MS | 37 | 0 | 2.7 | 2004-05 |
| 43 | MAINTENANCE BUILDING | 4 | 0 | 0.7 | 2004-05 |
| 44 | MARGARET PARK ELEMENTARY | 26 | 0 | 2.7 | 2004-05 |
| 45 | MASON ELEMENTARY | 15 | 0 | 0.9 | 2004-05 |
| 46 | MCEBRIGHT ELEMENTARY | 11 | 0 | 0.8 | 2004-05 |
| 47 | MILLER SOUTH | 32 | 0 | 1.4 | 2004-05 |
| 48 | NORTH HS | 55 | 0 | 0.9 | 2004-05 |
| 49 | OTT BUILDING | 6 | 0 | 1.0 | 2004-05 |
| 50 | PERKINS MS | 37 | 1 | 7.1 | 2004-05 |
| 51 | PFEIFFER ELEMENTARY | 15 | 0 | 2.8 | 2004-05 |
| 52 | PORTAGE PATH ELEMENTARY | 8 | 0 | 1.1 | 2004-05 |
| 53 | RANKIN ELEMENTARY | 27 | 0 | 1.2 | 2004-05 |
| 54 | REVERE ADMIN | 16 | 0 | 1.0 | 2005 |
| 55 | REVERE HS | 47 | 0 | 0.7 | 2005 |
| 56 | REVERE MS | 75 | 0 | 2.8 | 2005 |
| 57 | RICHFIELD ELEMENTARY | 9 | 0 | 0.3 | 2005 |
| 58 | RIEDINGER ELEMENTARY | 26 | 0 | 1.0 | 2004-05 |
| 59 | RIMER ELEMENTARY | 18 | 0 | 0.9 | 2004-05 |
| 60 | RITZMAN ELEMENTARY | 19 | 1 | 9.5 | 2004-05 |
| 61 | ROBINSON ELEMENTARY | 13 | 0 | 0.9 | 2004-05 |
| 62 | SAM SALEM ELEMENTRAU | 11 | 0 | 2.2 | 2004-05 |
| 63 | STEWART ELEMENTARY | 24 | 0 | 1.1 | 2004-05 |
| 64 | VORIS ELEMENTARY | 10 | 0 | 0.5 | 2004-05 |
| 65 | WINDMERE ELEMENTARY | 18 | 0 | 2.1 | 2004-05 |