Ellis Elementary (Data source)
Source data for Ellis Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2729098 | 2447 | - | 2436 | = | 11 | * | (148 | / | 358) | = | 4.54748603 | ||
| 4 | 2729101 | 2488 | - | 2485 | = | 3 | * | (105 | / | 358) | = | 0.87988827 | ||
| 5 | 2729102 | 2516 | - | 2528 | = | -12 | * | (105 | / | 358) | = | -3.51955307 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ellis Elementary | 2 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 83002 | 2440 | - | 2436 | = | 4 | * | (108 | / | 337) | = | 1.28189911 | ||
| 4 | 83004 | 2488 | - | 2485 | = | 3 | * | (131 | / | 337) | = | 1.16617211 | ||
| 5 | 83006 | 2529 | - | 2528 | = | 1 | * | (98 | / | 337) | = | 0.29080119 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ellis Elementary | 3 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 85324 | 2456 | - | 2436 | = | 20 | * | (99 | / | 309) | = | 6.40776698 | ||
| 4 | 85326 | 2475 | - | 2485 | = | -10 | * | (98 | / | 309) | = | -3.17152103 | ||
| 5 | 85329 | 2515 | - | 2528 | = | -13 | * | (112 | / | 309) | = | -4.7119741 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ellis Elementary | -1 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 85544 | 2448 | - | 2436 | = | 12 | * | (98 | / | 282) | = | 4.17021276 | ||
| 4 | 85547 | 2490 | - | 2485 | = | 5 | * | (97 | / | 282) | = | 1.71985816 | ||
| 5 | 85548 | 2483 | - | 2528 | = | -45 | * | (87 | / | 282) | = | -13.88297871 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ellis Elementary | -8 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 86134 | 2459 | - | 2436 | = | 23 | * | (118 | / | 309) | = | 8.78317151 | ||
| 4 | 86135 | 2496 | - | 2485 | = | 11 | * | (96 | / | 309) | = | 3.41747572 | ||
| 5 | 86136 | 2519 | - | 2528 | = | -9 | * | (95 | / | 309) | = | -2.76699029 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ellis Elementary | 9 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 2 | 3 | -1 | -8 | 9 | 5.0 | 1.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -17.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 37% | 37% | 31% | 31% | 26% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sunnyvale school district | County of Santa Clara
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Ellis Elementary math proficiency
Zero+ meets standard.
29% less $meal
28% less $meal
25% less $meal
26% less $meal
21% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Sunnyvale (8)
| Bishop Elementary | Cherry Chase Elementary | Cumberland Elementary |
| Ellis Elementary | Fairwood Elementary | Lakewood Elementary |
| San Miguel Elementary | Vargas Elementary |