Makueni County had one candidate in the best 100 list, nationally; in the 2019 KCPE exam. The best candidate in the county scored 430 marks out of 500.
Here are the Makueni County top candidates and their schools in the 2019 KCPE exams:
| INDEXNO | NAME | GE | ENG | KIS | KSL | MAT | SCI | SSR | TOT | School_code | School_Name |
| 18307150001 | MUKONZO ROBINSON MUTUKU | M | 93A | 91A | = = | 85A | 77A- | 84A | 430 | 18307150 | EMMANUEL SPRINGS ACADEMY |
| 18335222054 | NDETO JOY KAVATA | F | 88A | 92A | = = | 85A | 82A | 79A- | 426 | 18335222 | VITALE HGM |
| 18346159002 | KIOKO BENEDICT MWONGELA | M | 81A | 92A | = = | 85A | 84A | 83A | 425 | 18346159 | TREASURE ACAD |
| 18335216107 | MULI DIANA KALEKYE | F | 92A | 91A | = = | 85A | 77A- | 80A | 425 | 18335216 | KATHONZWENI A.I.C. |
| 18307139119 | MUNENE JENAS JERMAINE B | M | 90A | 90A | = = | 83A | 79A- | 83A | 425 | 18307139 | ACK WOTE TOWNSHIP |
| 18336125008 | MUSIVA BRIAN MAUNDU | M | 83A | 94A | = = | 85A | 79A- | 82A | 423 | 18336125 | INYOKONI |
| 18307129031 | MUSYOKI HELLEN MBULA | F | 84A | 87A | = = | 85A | 79A- | 88A | 423 | 18307129 | PREMESE MAKUENI ACADEMY |
| 18348138152 | SAGANA ALICE GESARE | F | 91A | 86A | = = | 83A | 79A- | 83A | 422 | 18348138 | KARI-MWAILU |
| 18336120003 | MUSYOKA JOSHUA MUUO | M | 85A | 87A | = = | 83A | 79A- | 88A | 422 | 18336120 | TUSUNINI |
| 18335222006 | MUTINDA WINFRED KANINI | F | 86A | 95A | = = | 83A | 77A- | 81A | 422 | 18335222 | VITALE HGM |
| 18325180028 | MUTINDA DAVID WAMBUA | M | 85A | 92A | = = | 82A | 80A | 83A | 422 | 18325180 | AVEMARIA BOARDING |
| 18307150002 | NATASHA MBITHE | F | 89A | 89A | = = | 85A | 76A- | 83A | 422 | 18307150 | EMMANUEL SPRINGS ACADEMY |
| 18307129048 | MUSAU DEBORAH MBAIKA | F | 82A | 94A | = = | 85A | 77A- | 84A | 422 | 18307129 | PREMESE MAKUENI ACADEMY |
| 18348167018 | ITHIA ERIC MASILA | M | 80A | 94A | = = | 85A | 80A | 82A | 421 | 18348167 | SMART FUTURE ACADEMY |
| 18335401001 | MBUVI DANIEL MWENDWA | M | 82A | 94A | = = | 83A | 79A- | 83A | 421 | 18335401 | KITEEI |
| 18335222072 | MBELENZU JACKSON MUTISYA | M | 87A | 86A | = = | 85A | 82A | 81A | 421 | 18335222 | VITALE HGM |
| 18335222089 | PETER EVELYNE MUMO | F | 87A | 89A | = = | 83A | 82A | 80A | 421 | 18335222 | VITALE HGM |
| 18324340010 | MUTHINI FAITH MWENDE | F | 91A | 87A | = = | 85A | 77A- | 81A | 421 | 18324340 | JOY SOUNDS ACADEMY |
| 18323211001 | ONDIGI DEBORAH KEMUNTO | F | 83A | 93A | = = | 85A | 79A- | 81A | 421 | 18323211 | KITUNDU |
| 18307129019 | MUTINDA MICHAEL MULEVU | M | 90A | 84A | = = | 85A | 74B+ | 88A | 421 | 18307129 | PREMESE MAKUENI ACADEMY |
| 18335216112 | RIOBA LENNOX MALANDA | M | 89A | 90A | = = | 83A | 79A- | 79A- | 420 | 18335216 | KATHONZWENI A.I.C. |
| 18307151009 | OSICHO ANITA JOANNE | F | 87A | 86A | = = | 85A | 82A | 80A | 420 | 18307151 | THE MAKUENI SCHOOL |
| 18307129030 | MUSAU JOAN NDANU | F | 85A | 85A | = = | 85A | 79A- | 86A | 420 | 18307129 | PREMESE MAKUENI ACADEMY |
| 18325180009 | MUTUA ROSELYNE KAVATA | F | 81A | 94A | = = | 83A | 77A- | 84A | 419 | 18325180 | AVEMARIA BOARDING |
| 18307139092 | WAMBUA BRIAN MUTHAMA | M | 90A | 86A | = = | 82A | 79A- | 82A | 419 | 18307139 | ACK WOTE TOWNSHIP |
| 18307129021 | MANGELI VENESSA KATHINA | F | 89A | 85A | = = | 83A | 74B+ | 88A | 419 | 18307129 | PREMESE MAKUENI ACADEMY |
| 18307129025 | MUTUNGA KENNEDY KALELI | M | 84A | 89A | = = | 83A | 79A- | 84A | 419 | 18307129 | PREMESE MAKUENI ACADEMY |
| 18348138048 | GITAU DAVID NJENGA | M | 87A | 88A | = = | 83A | 77A- | 83A | 418 | 18348138 | KARI-MWAILU |
| 18335216111 | MUTHAMA CHARLES KYALO | M | 88A | 87A | = = | 83A | 77A- | 83A | 418 | 18335216 | KATHONZWENI A.I.C. |
| 18323211002 | MUEMA MILICENT MWIKALI | F | 85A | 89A | = = | 85A | 80A | 79A- | 418 | 18323211 | KITUNDU |
| 18307207009 | MUTUA MATILDAH MUTHINI | F | 83A | 91A | = = | 83A | 80A | 81A | 418 | 18307207 | ITUMBULE |
| 18307129018 | MBALUKA JUNE MUTWAWA | F | 88A | 86A | = = | 83A | 74B+ | 87A | 418 | 18307129 | PREMESE MAKUENI ACADEMY |