- Hola Boys Secondary School: This is a well-known boys’ school in the county.
- Mau Mau Memorial Girls Secondary School: This is a prominent girls’ school in Tana River.
- Wenje Mixed Secondary School: This school caters to both boys and girls in the area.
- Ndura Secondary School: Another notable secondary school in the county.
NATIONAL SENIOR SCHOOLS IN TANA-RIVER COUNTY
| SCHOOL NAME | GENDER | COUNTY | SUB COUNTY | UIC/ NEMIS CODE | KNEC CODE |
| NGAO GIRLS SECONDARY SCHOOL | GIRLS | TANA RIVER | TANA DELTA | YJHM | 5100010 |
| HOLA BOYS SECONDARY SCHOOL | BOYS | TANA RIVER | TANA RIVER | 6EFL | 5100009 |
EXTRA-COUNTY SENIOR SCHOOLS IN TANA-RIVER COUNTY
| SCHOOL NAME | GENDER | COUNTY | SUB COUNTY | UIC/ NEMIS CODE | KNEC CODE |
| MADOGO SECONDARY SCHOOL | Mixed | TANA RIVER | BANGALE | P5FG | 5132201 |
| KIPINI SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | 3QTL | 5112203 |
| TARASAA HIGH SCHOOL | Mixed | TANA RIVER | TANA DELTA | DKEM | 5112201 |
| HIRIMANI SECONDARY SCHOOL | Mixed | TANA RIVER | TANA NORTH | ZQSL | 5117101 |
| MAU MAU MEMORIAL GIRLS SECONDARY SCHOOL | GIRLS | TANA RIVER | TANA RIVER | NNBX | 5103102 |
| WENJE SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | GSWU | 5103103 |
COUNTY SENIOR SCHOOLS IN TANA-RIVER COUNTY
| SCHOOL NAME | GENDER | COUNTY | SUB COUNTY | UIC/ NEMIS CODE | KNEC CODE |
| BANGALE MIXED DAY AND BOARDING SECONDARY SCHOOL | MIXED | TANA RIVER | BANGALE | 829W | 5132301 |
| GALOLE MODEL SECONDARY SCHOOL | Mixed | TANA RIVER | GALEDYERTU | JZ97 | 5103108 |
| GARSEN HIGH SCHOOL | Mixed | TANA RIVER | TANA DELTA | GM43 | 5112205 |
| SANE GIRLS SECONDARY SCHOOL | GIRLS | TANA RIVER | TANA DELTA | B4UW | 5112211 |
SUB-COUNTY SENIOR SCHOOLS IN TANA-RIVER COUNTY
| SCHOOL NAME | GENDER | COUNTY | SUB COUNTY | UIC/ NEMIS CODE | KNEC CODE |
| KORA SECONDARY SCHOOL | Mixed | TANA RIVER | BANGALE | WYV9 | 5132302 |
| MORORO MIXED DAY SECONDARY SCHOOL | Mixed | TANA RIVER | BANGALE | GCXD | 5132204 |
| WALDENA SECONDARY SCHOOL | Mixed | TANA RIVER | GALEDYERTU | 6RT7 | 5103109 |
| BUYANI SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | HJTH | 5112206 |
| DALU SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | N25E | 5112217 |
| GADENI SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | 4BKZ | 5112204 |
| HASHAKA SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | 6JFK | 5112212 |
| HURARA SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | MBP6 | 5112213 |
| KIPAO SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | YVP3 | 5112214 |
| KIPINI GIRLS SECONDARY SCHOOL | GIRLS | TANA RIVER | TANA DELTA | YY5R | 5112215 |
| KITERE SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | M85J | 5112209 |
| MAPUNGA HIGH SCHOOL | Mixed | TANA RIVER | TANA DELTA | WF3C | 5112207 |
| MARIFANO SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | BAYU | 5112103 |
| MINHAJ SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | 5NLR | 5112210 |
| ODA SECONDARY SCHOOL | Mixed | TANA RIVER | TANA DELTA | KTSD | 5112208 |
| CHARIDENDE SECONDARY SCHOOL | MIXED | TANA RIVER | TANA NORTH | 2URP | 5117105 |
| FAYYA GIRLS SECONDARY SCHOOL | GIRLS | TANA RIVER | TANA NORTH | 2GDC | 5117106 |
| HURUMA MIXED DAY SECONDARY SCHOOL | Mixed | TANA RIVER | TANA NORTH | QB75 | 5117102 |
| NANIGHI TANA MIXED SECONDARY SCHOOL | MIXED | TANA RIVER | TANA NORTH | B7F6 | 5117103 |
| SINGWAYA MIXED SECONDARY SCHOOL | Mixed | TANA RIVER | TANA NORTH | 5JNW | 5117104 |
| CHANANI DAY SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | 3WTD | 5103010 |
| DAKU MIXED SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | 363J | 5103105 |
| FANJUA SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | JBS6 | 5103115 |
| MAJENGO SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | CACG | 5103107 |
| MASABUBU SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | TAMR | 5103113 |
| MILALULU SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | SXC2 | 5103114 |
| NDURA SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | XCGF | 5103104 |
| RAFIKI MIXED SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | Q5QH | 5103111 |
| WACHAKONE MIXED SECONDARY SCHOOL | Mixed | TANA RIVER | TANA RIVER | SWNT | 5103112 |