K12 (NYSE: LRN) is expected to report Q1 earnings around Sep. 16. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict K12's revenues will grow 20.5% and EPS will expand 66.7%.

The average estimate for revenue is $233.0 million. On the bottom line, the average EPS estimate is $0.20.

Revenue details
 Last quarter, K12 reported revenue of $170.4 million. GAAP reported sales were 33% higher than the prior-year quarter's $128.3 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, non-GAAP EPS came in at $0.05. GAAP EPS were $0.04 for Q4 against -$0.08 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 39.8%, 70 basis points better than the prior-year quarter. Operating margin was 1.2%, 140 basis points worse than the prior-year quarter. Net margin was 1.1%, 330 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $854.7 million. The average EPS estimate is $0.70.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 174 members out of 195 rating the stock outperform, and 21 members rating it underperform. Among 49 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 44 give K12 a green thumbs-up, and five give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on K12 is outperform, with an average price target of $28.50.