The next year, the high school had its first official building when it moved into the now defunct Turner Hall in Lyman Park in the center of the town.

In the years following the construction of the new high school, a JV baseball field was built, as well as two Agricultural buildings.

As of the 2015-2016 school year, there are currently 10 AP classes The Saints, as St. Helena is colloquially known, compete in the North Central League 1 in the Coastal Mountain Conference.

From the early 1920s until the mid-1960s, St. Helena competed in the North Bay League, regularly facing much larger schools from the greater Fairfield and Sonoma areas.

By the late 1990s, basketball had slowly rose to prominence once again, reaching the Sac Joaquin playoffs numerous times.

In the twilight of the SCAL's salad days, St. Helena surprised many, finishing the 1999 football season with a 9-1 record, falling short of going undefeated.

With the SCAL defunct by mid 2000, St. Helena was assigned into the North Coast League along with Justin-Siena by the CIF.

The soccer team, which had started as a school club in the 1970s had begun to show success in the late 1990s under head coach Ozzie Gallegos.

Eventually, when St. Helena moved to the NCS, the Saints became a regular contender in the NCL as well as the section playoffs.

Recent years have shown the team going deep in the section playoffs, reaching the championship in 2004 before falling to University High School of San Francisco.

His successor, Dave Collinsworth, was hyped to continue this trend, and to possibly lead the team to a section title.

[citation needed] Traditionally, St. Helena's rival is Justin-Siena High School of nearby Napa.

St. Helena's geographic rival, Calistoga has moved to another league within the Coastal Mountain Conference making their matchups scarce as well, though they are slated to face each other in football beginning in 2008.