Here are the 2023 KCSE Marking Centres and reporting dates for marking by CE, ACEs, TLs and Examiners:
| PAPER | Reporting date for marking by CE, ACEs, TLs and Examiners | Marking centre |
| 441/1 | 12/03/2023 | MOI GIRLS,NAIROBI |
| 441/2 | 12/03/2023 | MARY HILL GIRLS HIGH SCH |
| 451/1 | 12/03/2023 | ST FRANCIS GIRLS MANG’U |
| 451/2 | 12/03/2023 | ALLIANCE BOYS HIGH SCHOOL |
| 501/1 | 12/03/2023 | MACHAKOS GIRLS SECONDARY SCH |
| 501/2 | 12/03/2023 | SENIOR CHIEF KOINANGE SEC SCHOOL |
| 502/1 | 12/03/2023 | MOI GIRLS,ISINYA |
| 502/2 | 12/03/2023 | LORETO LIMURU GIRLS HIGH SCHOOL |
| 503/1 | 12/03/2023 | MARY LEAKEY GIRLS HIGH SCH |
| 503/2 | 12/03/2023 | SUNSHINE SEC SCHOOL |
| 442/1 | 12/03/2023 | PARKLANDS GIRLS ARYA |
| 442/2 | 12/03/2023 | DAGORRETTI HIGH SCHOOL |
| 511/2 | 12/03/2023 | STAREHE BOYS CENTRE |
| 511/3 | 12/03/2023 | ALLIANCE GIRLS HIGH SCHOOL |
| 444/1 | 12/01/2023 | MACHAKOS ACADEMY |
| 445/1 | 12/01/2023 | LORETO KIAMBU GIRLS SEC |
| 446/1 | 12/01/2023 | KENYA HIGH SCHOOL |
| 447/1/2 | 12/01/2023 | ST GEORGES GIRLS SEC |
| 448/1/2 | 12/01/2023 | LANGATA HIGH SCHOOL |
| 449/1 | 12/01/2023 | PRECIOUS BLOOD , RIRUTA |
| PAPER | Reporting date for marking by CE, ACEs, TLs and Examiners | Marking centre |
| 449/2 | 12/01/2023 | PANGANI GIRLS HIGH SCHOOL |
| 450/1/2 | 12/01/2023 | UPPERHILL SECONDARY SCH |
| 504/1/2 | 12/01/2023 | THIKA HIGH SCHOOL |
| 101/1 | 27/11/23 | STAREHE BOYS CENTRE |
| 101/1 | 27/11/23 | PANGANI GIRLS SECONDARY SCHOOL |
| 101/2 | 27/11/23 | LENANA SCHOOL |
| 101/2 | 27/11/23 | UPPERHILL SECONDARY SCH |
| 101/3 | 27/11/23 | MOI GIRLS,NAIROBI |
| 101/3 | 27/11/23 | PRECIOUS BLOOD,RIRUTA |
| 102/1 | 27/11/23 | KIAMBU HIGH SCHOOL |
| 102/1 | 27/11/23 | STAREHE GIRLS HIGH SCH |
| 102/2 | 27/11/23 | MACHAKOS GIRLS SECONDARY SCH |
| 102/2 | 27/11/23 | MACHAKOS TTC |
| 121/1 | 27/11/23 | ALLIANCE GIRLS HIGH SCHOOL |
| 121/1 | 27/11/23 | LANGATA HIGH SCHOOL |
| 233/1 | 27/11/23 | LORETO LIMURU GIRLS HIGH SCHOOL |
| 233/1 | 27/11/23 | MARY LEAKEY GIRLS HIGH SCH |
| 233/2 | 27/11/23 | THIKA HIGH SCHOOL |
| 233/2 | 27/11/23 | CHANIA GIRLS HIGH SCHOOL |
| 233/3 | 27/11/23 | LIMURU GIRLS SEC |
| PAPER | Reporting date for marking by CE, ACEs, TLs and Examiners | Marking centre |
| 233/3 | 27/11/23 | LORETO KIAMBU GIRLS SEC |
| 102/3 | 12/01/2023 | NAIROBI SCHOOL |
| 102/3 | 12/01/2023 | KENYA HIGH SCHOOL |
| 121/2 | 12/01/2023 | ALLIANCE BOYS HIGH SCHOOL |
| 121/2 | 12/01/2023 | THOGOTO TTC |
| 231/1 | 12/01/2023 | MOI FORCES ACADEMY,NAIROBI |
| 231/2 | 12/01/2023 | NGARA GIRLS HIGH SCHOOL |
| 231/2 | 12/01/2023 | PARKLANDS ARYA GIRLS SEC |
| 231/3 | 12/01/2023 | KILIMAMBOGO TTC |
| 231/3 | 12/01/2023 | MURANGÁ TTC |
| 311/1 | 12/01/2023 | STATE HOUSE GIRLS HIGH SCH |
| 311/2 | 12/01/2023 | MANG’U HIGH SCHOOL |
| 313/1 | 12/01/2023 | ST GEORGES GIRLS SEC |
| 313/2 | 12/01/2023 | SUNSHINE SEC SCHOOL |
| 314/1 | 12/01/2023 | PANGANI GIRLS HIGH SCHOOL |
| 314/2 | 12/01/2023 | BURUBURU GIRLS HIGH SCHOOL |
| 232/1 | 12/03/2023 | DAGORRETTI HIGH SCHOOL |
| 232/2 | 12/03/2023 | ST ANNS GIRLS LIOKI |
| 232/3 | 12/03/2023 | MARY HILL GIRLS HIGH SCH |
| 237/1/2 | 12/03/2023 | LIMURU GIRLS HIGH SCHOOL |
| PAPER | Reporting date for marking by CE, ACEs, TLs and Examiners | Marking centre |
| 312/1 | 12/03/2023 | MOI GIRLS ,ISINYA |
| 312/2 | 12/03/2023 | MACHAKOS ACADEMY |
| 443/1 | 12/03/2023 | SENIOR CHIEF KOINANGE |
| 443/2 | 12/03/2023 | ST FRANCIS GIRLS MANG’U |
| 565/1 | 12/03/2023 | BURUBURU GIRLS HIGH SCHOOL |
| 565/2 | 12/03/2023 | KAHUHIA GIRLS HIGH SCHOOL |