There are 158 high school codes in New Hampshire today, according to the ACT. The full list is shown in the table below, with name of each high school and the city where the school is located (based on the ACT official site). You can search a school code by pressing “Ctrl” + “F” and type school name.
| City | High School | High School Code |
|---|---|---|
| ALTON | PROSPECT MOUNTAIN HIGH SCHOOL | 300005 |
| AMHERST | RSEC ACADEMY | 300011 |
| AMHERST | SOUHEGAN HIGH SCHOOL | 300012 |
| ANDOVER | PROCTOR ACADEMY | 300015 |
| BEDFORD | BEDFORD HIGH SCHOOL | 300044 |
| BELMONT | BELMONT HIGH SCHOOL | 300035 |
| BERLIN | BERLIN SENIOR HIGH SCHOOL | 300040 |
| BETHLEHEM | PROFILE JR-SR HIGH SCHOOL | 300056 |
| BETHLEHEM | WHITE MOUNTAIN SCHOOL | 300345 |
| BOW | BOW HIGH SCHOOL | 300059 |
| BRENTWOOD | SEACOAST LEARNING COLLABORTIVE | 300061 |
| BRISTOL | NEWFOUND REGIONAL HIGH SCHOOL | 300060 |
| CANAAN | MASCOMA VALLEY REG HIGH SCHOOL | 300608 |
| CANDIA | JESSE REMINGTON HIGH SCHOOL | 300065 |
| CENTER HARBOR | IMMACULATE CONCEP APOSTOLIC SC | 300069 |
| CLAREMONT | CLAREMONT ADULT HIGH SCHOOL | 300081 |
| CLAREMONT | CLAREMONT CHRISTIAN ACADEMY | 300082 |
| CLAREMONT | GREATER CLAREMONT CHRISTIAN SC | 300086 |
| CLAREMONT | STEVENS HIGH SCHOOL | 300090 |
| COLEBROOK | COLEBROOK ACADEMY | 300100 |
| CONCORD | BISHOP BRADY HIGH SCHOOL | 300105 |
| CONCORD | CONCORD CHRISTIAN ACADEMY | 300104 |
| CONCORD | CONCORD HIGH SCHOOL | 300115 |
| CONCORD | PARKER ACADEMY | 300107 |
| CONCORD | SAINT PAULS SCHOOL | 300110 |
| CONCORD | TRINITY CHRISTIAN SCHOOL | 300113 |
| CONTOOCOOK | HOPKINTON HIGH SCHOOL | 300120 |
| DEERFIELD | LONGVIEW SCHOOL | 300131 |
| DERRY | CALVARY CHRISTIAN SCHOOL | 300129 |
| DERRY | PINKERTON ACADEMY | 300130 |
| DOVER | COCHECO ARTS AND TECH ACAD | 300134 |
| DOVER | DOVER HIGH SCHOOL | 300135 |
| DOVER | PORTSMOUTH CHRISTIAN ACADEMY | 300521 |
| DOVER | SAINT THOMAS AQUINAS HIGH SCH | 300143 |
| DUBLIN | DUBLIN CHRISTIAN ACADEMY | 300144 |
| DUBLIN | DUBLIN SCHOOL | 300145 |
| DUBLIN | MARATHON HOUSE | 300146 |
| DURHAM | OYSTER RIVER HIGH SCHOOL | 300150 |
| EPPING | EPPING HIGH SCHOOL | 300175 |
| EXETER | EXETER HIGH SCHOOL | 300180 |
| EXETER | GREAT BAY E-LEARNING CHARTER | 300182 |
| EXETER | PHILLIPS EXETER ACADEMY | 300185 |
| EXETER | VIRTUAL LEARNING ACAD CHARTER | 300188 |
| FARMINGTON | FARMINGTON HIGH SCHOOL | 300195 |
| FRANKLIN | FRANKLIN CAREER ACADEMY | 300208 |
| FRANKLIN | FRANKLIN HIGH SCHOOL | 300205 |
| GILFORD | GILFORD HIGH SCHOOL | 300304 |
| GOFFSTOWN | GOFFSTOWN AREA HIGH SCHOOL | 300210 |
| GORHAM | BERLIN GORHAM CHRISTIAN ACAD | 300218 |
| GORHAM | GORHAM MIDDLE/HIGH SCHOOL | 300220 |
| GREENFIELD | CROTCHED MOUNTAIN SCHOOL | 300230 |
| GROVETON | GROVETON HIGH SCHOOL | 300235 |
| HAMPTON | WINNACUNNET HIGH SCHOOL | 300245 |
| HANOVER | HANOVER HIGH SCHOOL | 300250 |
| HILLSBORO | HILL-DEERING HIGH SCHOOL | 300265 |
| HINSDALE | HINSDALE HIGH SCHOOL | 300270 |
| HOLLIS | HOLLIS-BROOKLINE HIGH SCHOOL | 300275 |
| HUDSON | ALVIRNE HIGH SCHOOL | 300280 |
| JAFFREY | CONANT HIGH SCHOOL | 300155 |
| JEFFERSON | DAVENPORT SCHOOL | 300292 |
| KEENE | KEENE HIGH SCHOOL | 300295 |
| KEENE | MONADNOCK WALDORF SCHOOL | 300296 |
| KINGSTON | SANBORN REGIONAL HIGH SCHOOL | 300300 |
| LACONIA | LACONIA CHRISTIAN SCHOOL | 300302 |
| LACONIA | LACONIA HIGH SCHOOL | 300305 |
| LACONIA | LAKES REGION CHRISTIAN SCHOOL | 300307 |
| LANGDON | FALL MOUNTAIN REGIONAL HS | 300000 |
| LEBANON | LEBANON HIGH SCHOOL | 300325 |
| LEBANON | LEDYARD CHARTER SCHOOL | 300326 |
| LINCOLN | LIN-WOOD PUBLIC SCHOOL | 300330 |
| LISBON | LISBON REGIONAL SCHOOL | 300335 |
| LITCHFIELD | CAMPBELL HIGH SCHOOL | 300337 |
| LITCHFIELD | TABERNACLE CHRISTIAN SCHOOL | 300281 |
| LITTLETON | LITTLETON HIGH SCHOOL | 300340 |
| LITTLETON | NORTH COUNTRY CHARTER ACADEMY | 300342 |
| LONDONDERRY | LONDONDERRY HIGH SCHOOL | 300347 |
| LONDONDERRY | VICTORY BAPTIST SCHOOL | 300349 |
| MANCHESTER | DERRYFIELD SCHOOL THE | 300358 |
| MANCHESTER | HOLY FAMILY ACADEMY | 300350 |
| MANCHESTER | MAKING CMTY CONNECTIONS CHS | 300380 |
| MANCHESTER | MANCHESTER ADULT LEARNING CNTR | 300364 |
| MANCHESTER | MANCHESTER CENTRAL HIGH SCHOOL | 300355 |
| MANCHESTER | MANCHESTER HIGH SCHOOL WEST | 300360 |
| MANCHESTER | MANCHESTER MEMORIAL HIGH SCH | 300366 |
| MANCHESTER | MANCHESTER SCH TECHNOLOGY HS | 300374 |
| MANCHESTER | MOUNT ZION CHRISTIAN SCHOOLS | 300041 |
| MANCHESTER | TRINITY HIGH SCHOOL | 300362 |
| MEREDITH | INTER LAKES JR-SR HIGH SCHOOL | 300395 |
| MERIDEN | KIMBALL UNION ACADEMY | 300400 |
| MERRIMACK | BRENTWOOD SCHOOL | 300402 |
| MERRIMACK | MERRIMACK HIGH SCHOOL | 300405 |
| MERRIMACK | SOUTH MERRIMACK CHRISTIAN ACAD | 300406 |
| MILFORD | MILFORD CHRISTIAN ACADEMY | 300408 |
| MILFORD | MILFORD HIGH SCHOOL | 300410 |
| MILTON | NUTE HIGH SCHOOL | 300415 |
| MILTON | SHORTRIDGE ACADEMY | 300414 |
| MOULTONBOROUGH | MOULTONBOROUGH ACADEMY | 300416 |
| NASHUA | ACADEMY FOR SCIENCE AND DESIGN | 300118 |
| NASHUA | BISHOP GUERTIN HIGH SCHOOL | 300418 |
| NASHUA | CHRISTIAN BIBLE CHURCH ACADEMY | 300421 |
| NASHUA | CLEARWAY ALTERNATIVE HIGH SCH | 300422 |
| NASHUA | NASHUA CHRISTIAN ACADEMY HS | 300429 |
| NASHUA | NASHUA HIGH SCHOOL NORTH | 300430 |
| NASHUA | NASHUA HIGH SCHOOL SOUTH | 300431 |
| NEW HAMPTON | NEW HAMPTON SCHOOL | 300440 |
| NEW IPSWICH | MASCENIC REGIONAL HIGH SCHOOL | 300448 |
| NEWMARKET | NEWMARKET JR-SR HIGH SCHOOL | 300455 |
| NEWPORT | DAY ORION INDIVIDUAL TREATMENT | 300461 |
| NEWPORT | NEWPORT MIDDLE HIGH SCHOOL | 300460 |
| NORTH CONWAY | KENNETT HIGH SCHOOL | 300125 |
| NORTH SUTTON | KEARSARGE REGIONAL HIGH SCHOOL | 300466 |
| NORTHWOOD | COE BROWN NORTHWOOD ACADEMY | 300470 |
| ORFORD | RIVENDELL ACADEMY | 300480 |
| PELHAM | PELHAM HIGH SCHOOL | 300482 |
| PEMBROKE | PEMBROKE ACADEMY | 300565 |
| PENACOOK | CSI CHARTER SCHOOL | 300484 |
| PENACOOK | MERRIMACK VALLEY HIGH SCHOOL | 300485 |
| PENACOOK | TEAMS CHARTER SCHOOL | 300486 |
| PETERBOROUGH | CONTOOCOOK VALLEY REGIONAL HS | 300490 |
| PIKE | OLIVERIAN SCHOOL | 300251 |
| PITTSBURG | PITTSBURG SCHOOL | 300500 |
| PITTSFIELD | PITTSFIELD HIGH SCHOOL | 300505 |
| PLAISTOW | TIMBERLANE REG HIGH SCHOOL | 300508 |
| PLYMOUTH | CALVARY CHRISTIAN SCHOOL | 300509 |
| PLYMOUTH | HOLDERNESS SCHOOL | 300515 |
| PLYMOUTH | PLYMOUTH REGIONAL HIGH SCHOOL | 300510 |
| PORTSMOUTH | PORTSMOUTH HIGH SCHOOL | 300520 |
| RAYMOND | RAYMOND HIGH SCHOOL | 300525 |
| RICHMOND | IMMACULATE HEART MARY SCHOOL | 300529 |
| RINDGE | CALCAMPUS HIGH SCHOOL | 300530 |
| RINDGE | HAMPSHIRE COUNTRY SCHOOL | 300163 |
| RINDGE | MEETING SCHOOL | 300532 |
| ROCHESTER | SPAULDING HIGH SCHOOL | 300540 |
| RYE | LEARNING SKILLS ACADEMY | 300548 |
| SALEM | SALEM HIGH SCHOOL | 300550 |
| SANBORNTON | SANT BANI SCHOOL | 300209 |
| SOMERSWORTH | SOMERSWORTH CHRISTIAN EDU CTR | 300554 |
| SOMERSWORTH | SOMERSWORTH HS REGL VOC SC | 300555 |
| SOMERSWORTH | TRI-CITY CHRISTIAN ACADEMY | 300558 |
| SOUTH TAMWORTH | COMMUNITY SCHOOL | 300067 |
| STRATHAM | CORNERSTONE CHRISTIAN ACADEMY | 300559 |
| SUNAPEE | MOUNT ROYAL ACADEMY | 300561 |
| SUNAPEE | SUNAPEE MIDDLE HIGH SCHOOL | 300560 |
| SWANZEY | MONADNOCK REGIONAL HIGH SCHOOL | 300468 |
| TILTON | TILTON SCHOOL | 300580 |
| TILTON | WINNISQUAM REGIONAL HIGH SCH | 300575 |
| TWIN MOUNTAIN | TWIN MOUNTAIN CHRISTIAN ACAD | 300585 |
| WATERVILLE VALLEY | WATERVILLE VALLEY ACADEMY | 300600 |
| WEARE | JOHN STARK REGIONAL HIGH SCH | 300605 |
| WEST SWANZEY | COMMUNITY CHRISTIAN SCHOOL | 300611 |
| WHITEFIELD | WHITE MOUNTAINS REG HIGH SCH | 300615 |
| WILTON | HIGH MOWING SCHOOL | 300620 |
| WILTON | WILTON-LYNDBORO COOPRTV J-S HS | 300625 |
| WINDHAM | WINDHAM HIGH SCHOOL | 300634 |
| WINDSOR | WEDIKO SCHOOL | 300633 |
| WOLFEBORO | BREWSTER ACADEMY | 300635 |
| WOLFEBORO | KINGSWOOD REGIONAL HIGH SCHOOL | 300636 |
| WOODSVILLE | WOODSVILLE HIGH SCHOOL | 300640 |
