Schools in Zip Code 56152

ZIP code 56152 in Lamberton, Minnesota is home to two public schools — Red Rock Central Elementary, serving grades PK–6, and Red Rock Central Secondary, serving grades 7–12 — both part of the Red Rock Central School District, with roughly 404 students combined and no separate middle school or alternative school in the area.

Red Rock Central Elementary is the clear academic strength of the ZIP code and is improving. It rose from the 64th percentile in 2023–2024 to the 87th percentile with 4 stars in 2025–2026, and it beats both the district and the state in Math (64.3%), Reading (65.8%), and Science (41.7%). Grade-level results are especially strong in 3rd grade Math (87%), 4th grade Math (89.7%), Reading across grades 3–6 (63.4% to 67.9%), and 5th grade Science (41.7%). Elementary Math also climbed 12.58 points year over year.

Red Rock Central Secondary is more mixed. It posted a 100% graduation rate and a 0% dropout rate in 2024–2025, far better than the state’s 84.9% and 4.2%, but its rank fell from the 95th percentile with 5 stars to the 67th percentile with 3 stars in 2025–2026. It trails the district in all three subjects and the state in Math (38.3%) and Reading (37.1%), though Science (30.8%) is above the state. Reading dropped 12.31 points, and 7th, 8th, and 10th grade Reading plus 7th and 8th grade Math are below state, while 11th grade Math (50%) and End of Course Science (42.9%) are strengths. Overall, the elementary school is thriving academically, while the secondary school gets students to graduation but needs work in Reading and middle-grade Math.