This study aims to find out about: 1) the impact of perceived usefulness on user satisfaction, 2) the impact of perceived ease of use on user satisfaction, 3) the impact of service quality on user satisfaction, 4) the impact of perceived ease of use on perceived usefulness, 5) the impact of perceived usefulness and perceived ease of use on user satisfaction simultaneously. This is a quantitative research with parents from Ignatius Slamet Riyadi Karawang Elementary School as the population. The population of 300 people is narrowed down to 171 people as a sample using Quota Sampling and the Slovin formula. The data analysis with multiple linear regression shows that: 1) perceived usefulness has a positive and significant impact on user satisfaction, 2) perceived ease of use has a positive and significant impact on user satisfaction, 3) service quality has a positive and significant impact on user satisfaction, 4) perceive ease of use has a positive and significant impact on perceived usefulness, 5) perceived usefulness and perceived ease of use have a positive and significant impact on user satisfaction simultaneously.