There are 264 high school codes in Idaho 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 |
|---|---|---|
| ABERDEEN | ABERDEEN HIGH SCHOOL | 130000 |
| AMERICAN FALLS | AMERICAN FALLS ACADEMY | 130004 |
| AMERICAN FALLS | AMERICAN FALLS HIGH SCHOOL | 130005 |
| ARCO | BUTTE COUNTY HIGH SCHOOL | 130010 |
| ARCO | WISDOM RANCH SCHOOL | 130013 |
| ARIMO | MARSH VALLEY HIGH SCHOOL | 130015 |
| ASHTON | NORTH FREMONT HIGH SCHOOL | 130020 |
| BANCROFT | NORTH GEM HIGH SCHOOL | 130025 |
| BLACKFOOT | BLACKFOOT HIGH SCHOOL | 130035 |
| BLACKFOOT | INDEPENDENCE ALT HIGH SCHOOL | 130031 |
| BLACKFOOT | SNAKE RIVER HIGH SCHOOL | 130410 |
| BLISS | BLISS HIGH SCHOOL | 130040 |
| BOISE | ADA CNTY JUVENILE DET CTR SCHL | 130680 |
| BOISE | ASCENT PROGRAM | 130024 |
| BOISE | BISHOP KELLY HIGH SCHOOL | 130041 |
| BOISE | BOISE CHRISTIAN ACADEMY | 130063 |
| BOISE | BOISE HIGH SCHOOL | 130042 |
| BOISE | BORAH HIGH SCHOOL | 130043 |
| BOISE | CAPITAL HIGH SCHOOL | 130046 |
| BOISE | CENTENNIAL HIGH SCHOOL | 130389 |
| BOISE | FRANK CHURCH HIGH SCHOOL | 130052 |
| BOISE | ICON IDAHO CONNECTS ONLINE SCH | 130700 |
| BOISE | INSPIRE CONNECTIONS ACADEMY | 130089 |
| BOISE | ISUCCEED VIRTUAL HIGH SCHOOL | 130083 |
| BOISE | MARANATHA CHRISTIAN SCHOOL | 130047 |
| BOISE | MARIAN PRITTCHETT SCHOOL | 130087 |
| BOISE | RIVERSTONE INTERNATIONAL SCH | 130060 |
| BOISE | ROBERT JANSS SCHOOL | 130053 |
| BOISE | SAGE INTERNATIONAL SCHOOL | 130091 |
| BOISE | TIMBERLINE HIGH SCHOOL | 130054 |
| BOISE | TREASURE VALLEY MATH SCI CTR | 130062 |
| BONNERS FERRY | BONNERS FERRY HIGH SCHOOL | 130055 |
| BONNERS FERRY | BOULDER CREEK ACADEMY | 130027 |
| BRUNEAU | RIMROCK JR-SR HIGH SCHOOL | 130245 |
| BUHL | BUHL HIGH SCHOOL | 130065 |
| BUHL | CLEAR LAKES CHRISTIAN ACADEMY | 130066 |
| BURLEY | BURLEY CHRISTIAN ACADEMY | 130068 |
| BURLEY | BURLEY HIGH SCHOOL | 130070 |
| BURLEY | CASSIA HIGH SCHOOL | 130071 |
| CALDWELL | CALDWELL SENIOR HIGH SCHOOL | 130073 |
| CALDWELL | CANYON SPRINGS HIGH SCHOOL | 130434 |
| CALDWELL | CENTENNIAL BAPTIST SCHOOL | 130076 |
| CALDWELL | GEM STATE ACADEMY | 130075 |
| CALDWELL | THOMAS JEFFERSON PUBL CHARTER | 130088 |
| CALDWELL | VALLIVUE ACADEMY | 130086 |
| CALDWELL | VALLIVUE HIGH SCHOOL | 130080 |
| CALDWELL | VISION CHARTER SCHOOL | 130078 |
| CAMBRIDGE | CAMBRIDGE HIGH SCHOOL | 130085 |
| CAREY | CAREY HIGH SCHOOL | 130090 |
| CASCADE | ALZAR SCHOOL | 130096 |
| CASCADE | CASCADE HIGH SCHOOL | 130095 |
| CASTLEFORD | CASTLEFORD HIGH SCHOOL | 130100 |
| CHALLIS | CHALLIS HIGH SCHOOL | 130105 |
| CLARK FORK | CLARK FORK JR-SR HIGH SCHOOL | 130110 |
| CLARK FORK | ELK MOUNTAIN ACADEMY | 130112 |
| COCOLALLA | SOUTHSIDE CHRISTIAN SCHOOL | 130113 |
| COEUR D ALENE | BRIDGE ACADEMY | 130081 |
| COEUR D ALENE | COEUR D ALENE CHARTER ACAD | 130115 |
| COEUR D ALENE | COEUR D ALENE SR HIGH SCHOOL | 130120 |
| COEUR D ALENE | INNERCEPT ACADEMY | 130122 |
| COEUR D ALENE | KOOTENAI BRIDGE ACADEMY | 130128 |
| COEUR D ALENE | LAKE CITY HIGH SCHOOL | 130119 |
| COEUR D ALENE | VENTURE HIGH SCHOOL | 130127 |
| COTTONWOOD | PRAIRIE HIGH SCHOOL | 130125 |
| COTTONWOOD | SUMMIT ACADEMY | 130126 |
| COUNCIL | COUNCIL CHRISTIAN ACADEMY | 130132 |
| COUNCIL | COUNCIL HIGH SCHOOL | 130135 |
| CRAIGMONT | HIGHLAND HIGH SCHOOL | 130140 |
| CULDESAC | CULDESAC HIGH SCHOOL | 130145 |
| DAYTON | WEST SIDE HIGH SCHOOL | 130150 |
| DEARY | DEARY HIGH SCHOOL | 130155 |
| DECLO | DECLO HIGH SCHOOL | 130160 |
| DIETRICH | DIETRICH HIGH SCHOOL | 130165 |
| DRIGGS | BASIN HIGH SCHOOL | 130174 |
| DRIGGS | TETON CHRISTIAN ACADEMY | 130171 |
| DRIGGS | TETON HIGH SCHOOL | 130170 |
| DUBOIS | CLARK COUNTY JR-SR HIGH SCHOOL | 130175 |
| EAGLE | EAGLE ACADEMY | 130176 |
| EAGLE | EAGLE HIGH SCHOOL | 130177 |
| EAGLE | EKKLESIA CHRISTIAN SCHOOL | 130179 |
| EAGLE | FRESCO ARTS ACADEMY | 130178 |
| EAGLE | NORTH STAR CHARTER HIGH SCHOOL | 130189 |
| EMMETT | BLACK CANYON HIGH SCHOOL | 130191 |
| EMMETT | EMMETT HIGH SCHOOL | 130190 |
| EMMETT | PATRIOT CENTER | 130192 |
| FAIRFIELD | CAMAS COUNTY HIGH SCHOOL | 130195 |
| FILER | FILER HIGH SCHOOL | 130205 |
| FIRTH | FIRTH SENIOR HIGH SCHOOL | 130210 |
| FORT HALL | SHOSHONE BANNOCK HIGH SCHOOL | 130212 |
| FRUITLAND | FRUITLAND HIGH SCHOOL | 130215 |
| FRUITLAND | FRUITLAND PREPARATORY ACADEMY | 130216 |
| GARDEN VALLEY | GARDEN VALLEY SCHOOL | 130220 |
| GARDEN VALLEY | PROJECT PATCH SCHOOL | 130222 |
| GENESEE | GENESEE JR-SR HIGH SCHOOL | 130225 |
| GLENNS FERRY | GLENNS FERRY HIGH SCHOOL | 130230 |
| GOODING | GOODING ACCELERATED LRNG CNTR | 130236 |
| GOODING | GOODING HIGH SCHOOL | 130235 |
| GOODING | IDAHO SCH FOR DEAF AND BLIND | 130237 |
| GOODING | NORTH VALLEY ACADEMY CHARTER | 130238 |
| GRACE | GRACE HIGH SCHOOL | 130240 |
| GRANGEVILLE | GRANGEVILLE HIGH SCHOOL | 130250 |
| GREENLEAF | GREENLEAF FRIENDS ACADEMY | 130260 |
| HAGERMAN | HAGERMAN JR-SR HIGH SCHOOL | 130265 |
| HAILEY | SAGE SCHOOL | 130023 |
| HAILEY | SILVER CREEK HIGH SCHOOL | 130271 |
| HAILEY | WOOD RIVER HIGH SCHOOL | 130270 |
| HANSEN | HANSEN HIGH SCHOOL | 130275 |
| HARRISON | KOOTENAI JR-SR HIGH SCHOOL | 130280 |
| HAYDEN | CHRISTIAN CENTER SCHOOL | 130118 |
| HAYDEN LAKE | NORTH IDAHO CHRISTIAN HS | 130121 |
| HAYDEN LAKE | WHITE PINE CHRISTIAN ACADEMY | 130528 |
| HAZELTON | VALLEY HIGH SCHOOL | 130180 |
| HOMEDALE | HOMEDALE CHRISTIAN SCHOOL | 130284 |
| HOMEDALE | HOMEDALE HIGH SCHOOL | 130285 |
| HORSESHOE BEND | HORSESHOE BEND HIGH SCHOOL | 130287 |
| IDAHO CITY | IDAHO CITY HIGH SCHOOL | 130293 |
| IDAHO FALLS | BONNEVILLE HIGH SCHOOL | 130290 |
| IDAHO FALLS | BONNEVILLE ONLINE SCHOOL | 130288 |
| IDAHO FALLS | COMPASS ACADEMY | 130286 |
| IDAHO FALLS | EMERSON HIGH SCHOOL | 130299 |
| IDAHO FALLS | HILLCREST HIGH SCHOOL | 130294 |
| IDAHO FALLS | IDAHO FALLS HIGH SCHOOL | 130295 |
| IDAHO FALLS | LINCOLN HIGH SCHOOL | 130297 |
| IDAHO FALLS | SKYLINE HIGH SCHOOL | 130292 |
| IDAHO FALLS | TAYLORS CROSSING PUBL CHARTER | 130289 |
| IDAHO FALLS | TECHNICAL CAREER HS D93 | 130309 |
| IDAHO FALLS | WATERSPRINGS SCHOOL | 130302 |
| JEROME | JEROME HIGH SCHOOL | 130300 |
| JEROME | LIBERTY CHRISTIAN ACADEMY | 130301 |
| KAMIAH | APOSTOLIC CHRN TRAINING SCHOOL | 130304 |
| KAMIAH | KAMIAH BIBLE ACADEMY | 130306 |
| KAMIAH | KAMIAH HIGH SCHOOL | 130305 |
| KELLOGG | KELLOGG HIGH SCHOOL | 130310 |
| KELLOGG | SILVER VALLEY HIGH SCHOOL | 130646 |
| KENDRICK | KENDRICK SENIOR HIGH SCHOOL | 130315 |
| KIMBERLY | KIMBERLY HIGH SCHOOL | 130320 |
| KOOSKIA | CLEARWATER VALLEY HIGH SCHOOL | 130330 |
| KUNA | INITIAL POINT HIGH SCHOOL | 130334 |
| KUNA | KUNA HIGH SCHOOL | 130335 |
| LAPWAI | LAPWAI HIGH SCHOOL | 130340 |
| LEADORE | LEADORE HIGH SCHOOL | 130345 |
| LEWISTON | JUNIPER HILLS HS JCC LEWISTON | 130350 |
| LEWISTON | LEWISTON HIGH SCHOOL | 130355 |
| LEWISTON | NEW LIFE CHRISTIAN SCHOOL | 130357 |
| LEWISTON | RIVER CITY CHRISTIAN SCHOOL | 130351 |
| LEWISTON | TAMMANY ALTERNATIVE CENTER | 130353 |
| MACKAY | MACKAY JR/SR HIGH SCHOOL | 130360 |
| MALAD CITY | MALAD HIGH SCHOOL | 130365 |
| MALAD CITY | ONEIDA HIGH SCHOOL | 130364 |
| MALTA | RAFT RIVER HIGH SCHOOL | 130370 |
| MARSING | HOPE CHRISTIAN ACADEMY | 130433 |
| MARSING | MARSING HIGH SCHOOL | 130375 |
| MCCALL | MCCALL DONNELLY HIGH SCHOOL | 130380 |
| MCCALL | NORTH FORK SCHOOL | 130381 |
| MELBA | MELBA JR-SR HIGH SCHOOL | 130385 |
| MENAN | JEFFERSON HIGH SCHOOL | 130543 |
| MERIDIAN | AMBROSE SCHOOL | 130061 |
| MERIDIAN | CENTRAL ACADEMY | 130386 |
| MERIDIAN | COLE VALLEY CHRISTIAN HS | 130045 |
| MERIDIAN | COMPASS PUBLIC CHARTER SCHOOL | 130388 |
| MERIDIAN | IDAHO VIRTUAL ACADEMY | 130028 |
| MERIDIAN | MERIDIAN ACADEMY | 130391 |
| MERIDIAN | MERIDIAN HIGH SCHOOL | 130390 |
| MERIDIAN | MERIDIAN MEDICAL ARTS CHARTER | 130397 |
| MERIDIAN | MERIDIAN TECHNICAL CHARTER HS | 130392 |
| MERIDIAN | MOUNTAIN VIEW HIGH SCHOOL | 130396 |
| MERIDIAN | REBOUND SCHOOL OF OPPORTUNITY | 130387 |
| MERIDIAN | RENAISSANCE HIGH SCHOOL | 130398 |
| MERIDIAN | ROCKY MOUNTAIN HIGH SCHOOL | 130399 |
| MERIDIAN | SHERIDAN ACADEMY | 130057 |
| MIDDLETON | ATLAS SCHOOL | 130401 |
| MIDDLETON | MIDDLETON HIGH SCHOOL | 130395 |
| MIDVALE | MIDVALE SENIOR HIGH SCHOOL | 130400 |
| MONTPELIER | BEAR LAKE HIGH SCHOOL | 130405 |
| MOSCOW | LOGOS SCHOOL | 130414 |
| MOSCOW | MONTROSE ACADEMY | 130413 |
| MOSCOW | MOSCOW SENIOR HIGH SCHOOL | 130415 |
| MOSCOW | PARADISE CREEK REGIONAL HS | 130412 |
| MOUNTAIN HOME | MOUNTAIN HOME HIGH SCHOOL | 130420 |
| MOUNTAIN HOME | RICHARD MCKENNA CHARTER SCHOOL | 130421 |
| MURTAUGH | MURTAUGH HIGH SCHOOL | 130430 |
| NAMPA | ANOTHER CHOICE VIRTUAL SCHOOL | 130448 |
| NAMPA | CALVARY CHRISTIAN SCHOOL | 130437 |
| NAMPA | COLUMBIA HIGH SCHOOL | 130438 |
| NAMPA | IDAHO ARTS CHARTER SCHOOL | 130444 |
| NAMPA | JUNIPER HILLS SCHOOL NAMPA | 130446 |
| NAMPA | LIBERTY CHARTER HIGH SCHOOL | 130435 |
| NAMPA | NAMPA CHRISTIAN HIGH SCHOOL | 130436 |
| NAMPA | NAMPA HIGH SCHOOL | 130440 |
| NAMPA | PARKVIEW HIGH SCHOOL | 130441 |
| NAMPA | RIDGELINE HIGH SCHOOL | 130439 |
| NAMPA | SKYVIEW HIGH SCHOOL | 130443 |
| NAMPA | VICTORY CHARTER SCHOOL | 130449 |
| NAPLES | NORTHWEST ACADEMY | 130026 |
| NEW MEADOWS | MEADOWS VALLEY JR SR HS | 130445 |
| NEW PLYMOUTH | NEW PLYMOUTH HIGH SCHOOL | 130450 |
| NEZPERCE | NEZPERCE HIGH SCHOOL | 130455 |
| NOTUS | NOTUS HIGH SCHOOL | 130460 |
| OAKLEY | OAKLEY HIGH SCHOOL | 130465 |
| OLDTOWN | HOUSE OF THE LORD CHRSTN ACAD | 130466 |
| OROFINO | OROFINO HIGH SCHOOL | 130470 |
| PARMA | PARMA HIGH SCHOOL | 130480 |
| PAYETTE | PAYETTE HIGH SCHOOL | 130485 |
| PAYETTE | RIVER OF LIFE CHRISTIAN SCHOOL | 130484 |
| PLUMMER | LAKESIDE HIGH SCHOOL | 130495 |
| POCATELLO | CENTURY HIGH SCHOOL | 130497 |
| POCATELLO | DISTRICT VI JUVENILE DETENTION | 130499 |
| POCATELLO | HIGHLAND HIGH SCHOOL | 130498 |
| POCATELLO | NEW HORIZON HIGH SCHOOL | 130501 |
| POCATELLO | POCATELLO HIGH SCHOOL | 130500 |
| POST FALLS | CLASSICAL CHRISTIAN ACADEMY | 130518 |
| POST FALLS | GENESIS PREPARATORY ACADEMY | 130517 |
| POST FALLS | IDAHO DISTANCE EDUCATION ACAD | 130064 |
| POST FALLS | IMMACULATE CONCEPTION ACADEMY | 130509 |
| POST FALLS | NEW VISION HIGH SCHOOL | 130512 |
| POST FALLS | OUR LADY OF VICTORY SCHOOL | 130508 |
| POST FALLS | POST FALLS HIGH SCHOOL | 130505 |
| POST FALLS | SAINT DOMINIC SCHOOL | 130507 |
| POTLATCH | POTLATCH HIGH SCHOOL | 130510 |
| PRESTON | FRANKLIN COUNTY HIGH SCHOOL | 130516 |
| PRESTON | PRESTON HIGH SCHOOL | 130515 |
| PRIEST RIVER | PRIEST RIVER EDUCATION PROGRAM | 130521 |
| PRIEST RIVER | PRIEST RIVER LAMANNA HS | 130520 |
| RATHDRUM | LAKELAND HIGH SCHOOL | 130525 |
| RATHDRUM | MOUNTAIN VIEW ALTERNATIVE HS | 130526 |
| REXBURG | CENTRAL HIGH SCHOOL | 130530 |
| REXBURG | MADISON SENIOR HIGH SCHOOL | 130535 |
| RICHFIELD | RICHFIELD SCHOOL | 130540 |
| RIGBY | RIGBY HIGH SCHOOL | 130545 |
| RIGGINS | SALMON RIVER HIGH SCHOOL | 130550 |
| RIRIE | RIRIE HIGH SCHOOL | 130555 |
| ROCKLAND | ROCKLAND JR-SR HIGH SCHOOL | 130565 |
| RUPERT | MINICO SENIOR HIGH SCHOOL | 130575 |
| RUPERT | MOUNT HARRISON HIGH SCHOOL | 130574 |
| SAINT ANTHONY | JUNIPER HILLS SAINT ANTHONY | 130583 |
| SAINT ANTHONY | SOUTH FREMONT HIGH SCHOOL | 130580 |
| SAINT ANTHONY | SOUTH FREMONT HIGH SCHOOL 5C | 130581 |
| SAINT MARIES | SAINT MARIES HIGH SCHOOL | 130585 |
| SALMON | SALMON HIGH SCHOOL | 130590 |
| SANDPOINT | FOREST BIRD CHARTER SCH | 130596 |
| SANDPOINT | LAKE PEND OREILLE HIGH SCHOOL | 130591 |
| SANDPOINT | SANDPOINT HIGH SCHOOL | 130595 |
| SHELLEY | SHELLEY HIGH SCHOOL | 130600 |
| SHOSHONE | SHOSHONE HIGH SCHOOL | 130605 |
| SODA SPRINGS | CARIBOU HIGH SCHOOL | 130609 |
| SODA SPRINGS | SODA SPRINGS HIGH SCHOOL | 130610 |
| SPIRIT LAKE | TIMBERLAKE HIGH SCHOOL | 130619 |
| SUGAR CITY | SUGAR-SALEM HIGH SCHOOL | 130625 |
| SUN VALLEY | COMMUNITY SCHOOL | 130307 |
| TERRETON | WEST JEFFERSON HIGH SCHOOL | 130627 |
| TROY | TROY JR-SR HIGH SCHOOL | 130630 |
| TWIN FALLS | BETHEL TEMPLE CHRISTIAN ACAD | 130640 |
| TWIN FALLS | CANYON RIDGE HIGH SCHOOL | 130636 |
| TWIN FALLS | LIGHTHOUSE CHRISTIAN SCHOOL | 130631 |
| TWIN FALLS | MAGIC VALLEY HIGH SCHOOL | 130632 |
| TWIN FALLS | TWIN FALLS CHRISTIAN ACADEMY | 130634 |
| TWIN FALLS | TWIN FALLS HIGH SCHOOL | 130635 |
| TWIN FALLS | XAVIER CHARTER SCHOOL | 130639 |
| WALLACE | WALLACE JR SR HIGH SCHOOL | 130647 |
| WEIPPE | TIMBERLINE JR-SR HIGH SCHOOL | 130648 |
| WEISER | WEISER HIGH SCHOOL | 130655 |
| WENDELL | WENDELL HIGH SCHOOL | 130660 |
| WILDER | COOSA ACADEMY | 130072 |
| WILDER | WILDER HIGH SCHOOL | 130665 |
