El Carmelo Elementary (Data source)
Source data for El Carmelo 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 | 2699574 | 2522 | - | 2436 | = | 86 | * | (71 | / | 214) | = | 28.5327102 | ||
4 | 2699575 | 2579 | - | 2485 | = | 94 | * | (71 | / | 214) | = | 31.1869158 | ||
5 | 2699577 | 2594 | - | 2528 | = | 66 | * | (72 | / | 214) | = | 22.20560747 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for El Carmelo Elementary | 82 |
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 | 82206 | 2505 | - | 2436 | = | 69 | * | (69 | / | 214) | = | 22.24766351 | ||
4 | 82209 | 2583 | - | 2485 | = | 98 | * | (70 | / | 214) | = | 32.05607469 | ||
5 | 82210 | 2589 | - | 2528 | = | 61 | * | (75 | / | 214) | = | 21.37850463 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for El Carmelo Elementary | 76 |
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 | 84504 | 2504 | - | 2436 | = | 68 | * | (69 | / | 208) | = | 22.55769229 | ||
4 | 84506 | 2564 | - | 2485 | = | 79 | * | (67 | / | 208) | = | 25.44711534 | ||
5 | 84509 | 2589 | - | 2528 | = | 61 | * | (72 | / | 208) | = | 21.11538461 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for El Carmelo Elementary | 69 |
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 | 84721 | 2515 | - | 2436 | = | 79 | * | (68 | / | 208) | = | 25.826923 | ||
4 | 84722 | 2569 | - | 2485 | = | 84 | * | (72 | / | 208) | = | 29.07692306 | ||
5 | 84725 | 2607 | - | 2528 | = | 79 | * | (68 | / | 208) | = | 25.826923 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for El Carmelo Elementary | 81 |
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 | 85314 | 2486 | - | 2436 | = | 50 | * | (63 | / | 202) | = | 15.5940594 | ||
4 | 85315 | 2570 | - | 2485 | = | 85 | * | (71 | / | 202) | = | 29.87623758 | ||
5 | 85316 | 2610 | - | 2528 | = | 82 | * | (68 | / | 202) | = | 27.60396037 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for El Carmelo Elementary | 73 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
82 | 76 | 69 | 81 | 73 | 381.0 | 76.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 91.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 61.2
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 | 13% | 11% | 15% | 17% | 19% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palo Alto 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.
El Carmelo Elementary math proficiency
Zero+ meets standard.

10% less $meal

9% less $meal

11% less $meal

15% less $meal

13% 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.