Austin restaurant inspection scores

Among the restaurants in Austin, inspected at least five times, which of them have the highest and lowest average score (as of 20.07.2017)?

Highest score

Anita Uphaus Early Childhood Center 100.00
Mills Elementary School 100.00
The Goddard School 100.00
Walgreens #13444 100.00
Lee Elementary School 100.00
BC - Whole Foods Market - Specialty 100.00
Austin Community College Children's Lab School 100.00
LW - Serene Hills Elementary 100.00
LW - Starbucks Kiosk/Randall's 100.00
Austin Montessori School, Inc 100.00
Walgreens 100.00
Ruth Barron Elementary School 100.00
First English Lutheran Child 100.00
Ridgetop Elementary 100.00
WL - Randall's #2477- Deli Station 100.00
Target (Produce) T-1797 100.00
MN - Manor High School Cafeteria 100.00
WL - Randall's #2477-Starbucks 100.00
WL - Valley View Elementary 100.00
Barrington Elementary 100.00
BC - Faraday's Kitchen Store 100.00
Highland Park Elementary 100.00
Premier High School 100.00
Casis Elementary 100.00
Target (Starbucks) T-1797 99.83
Water 2 Wine 99.83
Cooking w/ Concha 99.83
Kiker Elementary 99.83
Kirby Hall School 99.83
Couch Potato Austin LLC 99.83

Lowest score

Buffet King 75.43
China Cafe 75.33
Quinta Caporales Meat Market 75.33
Baguette House & Cafe 75.33
Mikado Ryotei 75.29
Taqueria Chapala # 5 75.17
Polvos En La Brissa 75.14
La Condesa Restaurant 75.00
Pho Saigon 74.83
Threadgill's 74.67
Tyson's Tacos 74.50
Taqueria Arandinas 74.33
Taqueria Guadalajara 74.14
Poco Loco Supermercado 74.09
Bawarchi Austin 73.88
Sushi Junai 73.71
Ken's Donuts 73.42
Pho Dan 73.33
Ichiban at Austin 73.29
Taquerias Arandinas 73.14
Crawfish Shack and Oyster Bar 72.73
Chuy Panaderia 72.43
Pho Thaison 72.22
Madam Mam's 71.43
Polvo's Restaurant & Bar 71.29
888 Vietnamese 71.22
Casa Moreno 71.14
Mi Pueblo Meat Market 70.57
Taqueria Arandinas 69.83
Joy East 69.29

It seems that many elementary schools are doing extraordinary well with results higher than those of well-established company names like Chick-Fil-A, Chipotle, Costco, Domino's Pizza and others. On the other side, restaurants that can still improve seem to offer country-specific dishes.