Reed Elementary (Data source)
Source data for Reed 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 | 2710380 | 2435 | - | 2436 | = | -1 | * | (89 | / | 244) | = | -0.3647541 | ||
| 4 | 2710381 | 2485 | - | 2485 | = | 0 | * | (63 | / | 244) | = | 0.0 | ||
| 5 | 2710384 | 2514 | - | 2528 | = | -14 | * | (92 | / | 244) | = | -5.27868852 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Reed Elementary | -6 | ||||||||||||
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 | 82525 | 2483 | - | 2436 | = | 47 | * | (78 | / | 210) | = | 17.45714284 | ||
| 4 | 82527 | 2509 | - | 2485 | = | 24 | * | (78 | / | 210) | = | 8.9142857 | ||
| 5 | 82529 | 2523 | - | 2528 | = | -5 | * | (54 | / | 210) | = | -1.28571429 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Reed 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 | 84816 | 2469 | - | 2436 | = | 33 | * | (66 | / | 224) | = | 9.72321428 | ||
| 4 | 84818 | 2518 | - | 2485 | = | 33 | * | (74 | / | 224) | = | 10.90178569 | ||
| 5 | 84820 | 2513 | - | 2528 | = | -15 | * | (84 | / | 224) | = | -5.625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Reed Elementary | 15 | ||||||||||||
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 | 85032 | 2468 | - | 2436 | = | 32 | * | (70 | / | 221) | = | 10.13574659 | ||
| 4 | 85035 | 2515 | - | 2485 | = | 30 | * | (72 | / | 221) | = | 9.77375565 | ||
| 5 | 85036 | 2536 | - | 2528 | = | 8 | * | (79 | / | 221) | = | 2.8597285 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Reed Elementary | 23 | ||||||||||||
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 | 85626 | 2465 | - | 2436 | = | 29 | * | (55 | / | 191) | = | 8.35078534 | ||
| 4 | 85627 | 2536 | - | 2485 | = | 51 | * | (69 | / | 191) | = | 18.42408374 | ||
| 5 | 85628 | 2538 | - | 2528 | = | 10 | * | (67 | / | 191) | = | 3.5078534 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Reed Elementary | 30 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -6 | 25 | 15 | 23 | 30 | 87.0 | 17.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 59.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.6
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 | 24% | 21% | 23% | 22% | 19% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Jose Unified 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.
Reed Elementary math proficiency
Zero+ meets standard.
20% less $meal
18% less $meal
18% less $meal
18% less $meal
16% 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.