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The student who was stabbed is 15 years old with non-life-threatening injuries.
No further details about the incident were immediately available.
MORE: Heartbroken family mourns loss of 16-year-old stabbed to death at a Santa Rosa high school
Wednesday's incident comes following a fatal stabbing on March 1 at Montgomery High School in Santa Rosa. One student was arrested in that stabbing.
Two more were arrested Saturday for having knives at the high school and students at two other Santa Rosa schools were arrested Tuesday for having knives at their schools.
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Bay City News contributed to this report.