NCAA Season 81 was the 2005–06 season of the National Collegiate Athletic Association in the Philippines. Colegio de San Juan de Letran was the season's host.
To usher in the new season, Letran and the other NCAA member schools performed the opening ceremonies at the Araneta Coliseum, followed by four basketball games on June 25, 2005. Other disciplines started their own tournaments within the following months, with beach volleyball as the last tournament on mid-March.
De La Salle-College of Saint Benilde won its first General Championship honors for the Seniors division, while the San Sebastian Recoletos High School won its second Juniors General Championship, via tiebreakers, when La Salle Green Hills emerged with an equal number of points.
Basketball
Seniors' tournament Elimination round
Playoffs
Individual awards Most Valuable Player: Ernie Jay Sagad (CSB) Rookie of the Year: Kelvin dela Peña (Mapua)
Juniors' tournament
Elimination round
Playoffs
Individual awards Most Valuable Player: Allan Mangahas (PCU-Union) Rookie of the Year: Darell Green (Letran)
Other sports and General Championship Championship results Arranged by order of conclusion:
Juniors division Event Champion 1st Runner Up 2nd Runner UpFirst Semester Events Swimming LSGH UPHSD San Sebastian Basketball San Sebastian San Beda PCU Volleyball San Sebastian LSGH PCU Chess San Sebastian PCU Letran Taekwondo Letran LSGH PCUSecond Semester Events Table Tennis Letran San Sebastian LSGH Football LSGH San Beda Letran Tennis San Sebastian San Beda UPHSD Track & Field LSGH Letran PCU Seniors division Event Champion 1st Runner Up 2nd Runner UpFirst Semester Events Swimming San Beda PCU St. Benilde Cheerleading¹ UPHSD San Sebastian Letran Basketball Letran PCU Mapua Men's Volleyball PCU San Sebastian Letran Women's Volleyball San Sebastian PCU Letran Chess St. Benilde Mapua LetranSecond Semester Events Taekwondo San Beda St. Benilde Letran Men's Table Tennis St. Benilde Letran San Sebastian Women's Table Tennis St. Benilde PCU Letran Football San Beda St. Benilde Mapua Tennis San Sebastian San Beda PCU Men's Beach Volley St. Benilde Letran PCU Women's Beach Volley St. Benilde San Sebastian Letran & PCU (tied) Track & Field PCU Mapua San Sebastian ¹ Not a part in the tabulation of the General Championship
General Championship
Seniors division Rank School Points 1st St. Benilde 233 2nd PCU 207.5 3rd San Sebastian 192.5 4th Letran 168 5th San Beda 136 6th Mapua 78 7th UPHSD 40 8th JRU 11 Juniors division Rank School Points 1st San Sebastian¹ 170 2nd LSGH¹ 170 3rd Letran 127 4th PCU 93 5th San Beda 88 6th UPHSD 70 7th JRU 22 8th Mapua² 0 ¹ Since San Sebastian had more championships (4) than LSGH (3), San Sebastian won the General Championship, despite being tied for first place. ² Mapua did not send representatives in the Juniors division
See also UAAP Season 68