The company said it added 7.05 million subscribers during the quarter, well above its own expectations of 5.2 million.
McDonald's is not immune to the restaurant industry's December slump. A franchisee survey sees same-store sales down in Q4.
The world's biggest education company is facing turmoil as customers turn to cheaper digital alternatives, or choose to rent instead of buy content.
Citigroup on Wednesday reported a quarterly profit $1.14 a share on revenue of $17.012 billion.