Teams have competed for the Founders Cup, a national tournament which determines the Canadian Junior B lacrosse champion.

Wray first launched the concept of organized lacrosse for players in Grades 11 and 12 with an intermediate league in the Interior for three years in the late 1990s.

[1] The Rutland Raiders defeated the North Okanagan Tigers in the final series to claim the inaugural TOJLL Championship.

[3] The South Okanagan Flames were forced to forfeit three games due to ineligible player rules.

[1] The TOJLL allowed the Prince George Posse into the league, as an exhibition team, for the eighteen-game regular season.

[5] The Kelowna Braves had to forfeit seven games due to ineligible player rules, as a result the Vernon Tigers gain two wins for a perfect season (18–0–0).

[5] The Vernon Tigers, represented the TOJLL in the Provincials, losing to the Prince George Posse, 9–7, in the gold medal game.

[9] The league initiated a pre-season schedule by including the Annual Archie Jack Memorial Ice Breaker Tournament, which is played in Armstrong, British Columbia.

The TOJLL also welcomed the newly formed West Kootenay Wolf Pack to the league, as an exhibition team, for the now fourteen game regular season.

[18] The remaining teams played an abbreviated schedule due to a league controversy concerning the players of the Rattlers.

[33] A game between the South Okanagan Flames and Kamloops Venom required the attention of the British Columbia Lacrosse Association.

The pre-season 18th Annual Archie Jack Memorial Icebreaker Tournament was held on April 8 in the Enderby Arena.

The North Okanagan Tigers defeated the Kelowna Dragons in three games to claim the League Championship.

[4] 2003: Vernon Tigers became champions for the second time by defeating the Kelowna Dragons in the championship final by a three-game sweep.

The Rattlers earned a championship final playoff berth by defeating the South Okanagan Flames in a two-game sweep.

The Rattlers completely demolished the Raiders in that final series, winning in a three-game sweep, with a combined score of 47–18.

For the playdowns the Rattlers lost to Calgary Mountaineers, won against the Sherwood Park Titans but, still failed to make the medal round.

Vernon reached the final by having previously defeated the Rutland Raiders in the quarter-finals and the South Okanagan Flames in the semi-finals both in two game sweeps.

The Kelowna Warriors and the South Okanagan Flames received a first-round playoff bye for being ranked first and second, respectively, in regular season play.

[44] 2010: Kamloops Venom won the league's first Provincial Championship with a 6–4 win over the Westshore Bears (PNWJLL).

During the provincial round-robin, the Venom went two wins with one loss, good for first place, to earn entry into the gold medal game.

The TOJLL Commissioner then protested the BCLAs ruling, stating that he gave the Venom permission to use this player (the Rattlers' starting goalie) only in an emergency situation.

The Venom went 3–0 in the preliminary rounds, thus earning a bye to the final, defeated the Delta Islanders 6–3 in the Gold Medal Game.

[48] The Kamloops Venom soundly defeated the South Okanagan Flames in the first two games of the best-of-five TOJLL semi-finals by scores of 14–7 and 16–5.

[50] The Tigers hosting the Provincials meet the Delta Islanders (WCJLL) in the final for the gold medal, losing 14–7.

[53] The semifinals featured the Vernon Tigers versus Armstrong Shamrocks and the Kamloops Venom playing the South Okanagan Flames.

[59] In the Provincials the, Vernon Tigers went 1–2 in round-robin, then lost the Bronze Medal Game 12–11 to the Westshore Bears of the PNWJLL.

[60] 2018: All teams made the playoffs, round one had the Vernon Tigers (1st) playing the South Okanagan Flames (4th) and the Kamloops Venom (2nd) took on the Armstrong Shamrocks (3rd).

[64] In the Provincials the Flames were defeated by the Victoria Shamrocks of the BCJBT1LL by a two-game total-goal series, 27-10(11–6, 16–4)[65] 2020: The regular season, playoffs and Provincials were not played due to the COVID-19 Pandemic[66] 2021: The TOJLL held a two week-end tournament-style playoffs on July 10 and July 24.The Kelowna Kodiaks go undefeated in the tournament to claim the Covid Cup championship.

[33] The Kamloops Venom hosted the Provincials versus Coquitlam Adanacs in a two-game total aggregate series.