Cedar Grove Elementary (Data source)
Source data for Cedar Grove 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 | 2648914 | 2410 | - | 2436 | = | -26 | * | (99 | / | 465) | = | -5.53548385 | ||
4 | 2648917 | 2446 | - | 2485 | = | -39 | * | (112 | / | 465) | = | -9.39354839 | ||
5 | 2648918 | 2491 | - | 2528 | = | -37 | * | (114 | / | 465) | = | -9.07096773 | ||
6 | 2648921 | 2506 | - | 2552 | = | -46 | * | (140 | / | 465) | = | -13.84946233 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cedar Grove Elementary | -38 |
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 | 80755 | 2424 | - | 2436 | = | -12 | * | (88 | / | 421) | = | -2.50831354 | ||
4 | 80758 | 2465 | - | 2485 | = | -20 | * | (97 | / | 421) | = | -4.608076 | ||
5 | 80760 | 2481 | - | 2528 | = | -47 | * | (120 | / | 421) | = | -13.39667456 | ||
6 | 80761 | 2534 | - | 2552 | = | -18 | * | (116 | / | 421) | = | -4.95961994 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cedar Grove Elementary | -25 |
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 | 82985 | 2457 | - | 2436 | = | 21 | * | (82 | / | 397) | = | 4.33753148 | ||
4 | 82986 | 2436 | - | 2485 | = | -49 | * | (91 | / | 397) | = | -11.23173801 | ||
5 | 82988 | 2485 | - | 2528 | = | -43 | * | (103 | / | 397) | = | -11.15617125 | ||
6 | 82991 | 2513 | - | 2552 | = | -39 | * | (121 | / | 397) | = | -11.88664987 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cedar Grove Elementary | -30 |
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 | 83201 | 2430 | - | 2436 | = | -6 | * | (84 | / | 378) | = | -1.33333333 | ||
4 | 83203 | 2465 | - | 2485 | = | -20 | * | (91 | / | 378) | = | -4.8148148 | ||
5 | 83205 | 2493 | - | 2528 | = | -35 | * | (90 | / | 378) | = | -8.33333333 | ||
6 | 83207 | 2519 | - | 2552 | = | -33 | * | (113 | / | 378) | = | -9.86507933 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cedar Grove Elementary | -24 |
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 | 83815 | 2425 | - | 2436 | = | -11 | * | (74 | / | 329) | = | -2.47416413 | ||
4 | 83816 | 2468 | - | 2485 | = | -17 | * | (81 | / | 329) | = | -4.18541032 | ||
5 | 83817 | 2506 | - | 2528 | = | -22 | * | (90 | / | 329) | = | -6.01823708 | ||
6 | 83818 | 2518 | - | 2552 | = | -34 | * | (84 | / | 329) | = | -8.68085103 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cedar Grove Elementary | -21 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-38 | -25 | -30 | -24 | -21 | -138.0 | -27.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -9.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.6
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 | 38% | 39% | 35% | 40% | 41% |
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.
Cedar Grove Elementary math proficiency
Zero+ meets standard.
30% less $meal
31% less $meal
27% less $meal
35% less $meal
34% 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.