Evergreen Elementary (Data source)
Source data for Evergreen 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 | 2647248 | 2494 | - | 2436 | = | 58 | * | (125 | / | 495) | = | 14.64646462 | ||
4 | 2647251 | 2559 | - | 2485 | = | 74 | * | (120 | / | 495) | = | 17.93939391 | ||
5 | 2647252 | 2570 | - | 2528 | = | 42 | * | (123 | / | 495) | = | 10.43636362 | ||
6 | 2647255 | 2638 | - | 2552 | = | 86 | * | (127 | / | 495) | = | 22.06464642 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Evergreen Elementary | 65 |
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 | 80710 | 2506 | - | 2436 | = | 70 | * | (114 | / | 494) | = | 16.1538461 | ||
4 | 80712 | 2547 | - | 2485 | = | 62 | * | (130 | / | 494) | = | 16.31578943 | ||
5 | 80714 | 2593 | - | 2528 | = | 65 | * | (123 | / | 494) | = | 16.18421051 | ||
6 | 80715 | 2613 | - | 2552 | = | 61 | * | (127 | / | 494) | = | 15.68218622 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Evergreen Elementary | 64 |
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 | 82938 | 2511 | - | 2436 | = | 75 | * | (106 | / | 494) | = | 16.09311735 | ||
4 | 82940 | 2553 | - | 2485 | = | 68 | * | (123 | / | 494) | = | 16.93117407 | ||
5 | 82942 | 2592 | - | 2528 | = | 64 | * | (134 | / | 494) | = | 17.36032384 | ||
6 | 82944 | 2636 | - | 2552 | = | 84 | * | (131 | / | 494) | = | 22.27530362 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Evergreen Elementary | 73 |
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 | 83155 | 2515 | - | 2436 | = | 79 | * | (110 | / | 479) | = | 18.14196235 | ||
4 | 83158 | 2561 | - | 2485 | = | 76 | * | (105 | / | 479) | = | 16.65970768 | ||
5 | 83159 | 2587 | - | 2528 | = | 59 | * | (128 | / | 479) | = | 15.76617954 | ||
6 | 83162 | 2626 | - | 2552 | = | 74 | * | (136 | / | 479) | = | 21.01043838 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Evergreen Elementary | 72 |
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 | 83769 | 2504 | - | 2436 | = | 68 | * | (98 | / | 452) | = | 14.74336281 | ||
4 | 83770 | 2550 | - | 2485 | = | 65 | * | (121 | / | 452) | = | 17.40044248 | ||
5 | 83771 | 2603 | - | 2528 | = | 75 | * | (115 | / | 452) | = | 19.08185835 | ||
6 | 83772 | 2632 | - | 2552 | = | 80 | * | (118 | / | 452) | = | 20.88495568 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Evergreen Elementary | 72 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
65 | 64 | 73 | 72 | 72 | 346.0 | 69.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 81.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 57.2
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 | 8% | 8% | 8% | 9% | 9% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Evergreen Elementary 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.
Evergreen Elementary math proficiency
Zero+ meets standard.
7% less $meal
7% less $meal
7% less $meal
8% less $meal
8% 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.