Proctor Terrace Elementary (Data source)
Source data for Proctor Terrace 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 | 2887575 | 2401 | - | 2436 | = | -35 | * | (64 | / | 260) | = | -8.61538461 | ||
4 | 2887576 | 2488 | - | 2485 | = | 3 | * | (66 | / | 260) | = | 0.76153846 | ||
5 | 2887579 | 2508 | - | 2528 | = | -20 | * | (66 | / | 260) | = | -5.07692306 | ||
6 | 2887580 | 2538 | - | 2552 | = | -14 | * | (64 | / | 260) | = | -3.44615384 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Proctor Terrace Elementary | -16 |
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 | 88414 | 2433 | - | 2436 | = | -3 | * | (50 | / | 244) | = | -0.6147541 | ||
4 | 88417 | 2464 | - | 2485 | = | -21 | * | (68 | / | 244) | = | -5.852459 | ||
5 | 88418 | 2466 | - | 2528 | = | -62 | * | (60 | / | 244) | = | -15.24590162 | ||
6 | 88421 | 2555 | - | 2552 | = | 3 | * | (66 | / | 244) | = | 0.81147541 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Proctor Terrace Elementary | -21 |
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 | 90973 | 2420 | - | 2436 | = | -16 | * | (58 | / | 224) | = | -4.14285714 | ||
4 | 90975 | 2484 | - | 2485 | = | -1 | * | (52 | / | 224) | = | -0.23214286 | ||
5 | 90977 | 2461 | - | 2528 | = | -67 | * | (59 | / | 224) | = | -17.64732142 | ||
6 | 90979 | 2534 | - | 2552 | = | -18 | * | (55 | / | 224) | = | -4.41964285 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Proctor Terrace Elementary | -26 |
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 | 91168 | 0 | - | 2436 | = | * | (0 | / | 0) | = | ||||
4 | 91171 | 0 | - | 2485 | = | * | (0 | / | 0) | = | ||||
5 | 91172 | 0 | - | 2528 | = | * | (0 | / | 0) | = | ||||
6 | 91175 | 0 | - | 2552 | = | * | (0 | / | 0) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Proctor Terrace Elementary |
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 | 91829 | 2437 | - | 2436 | = | 1 | * | (50 | / | 199) | = | 0.25125628 | ||
4 | 91830 | 2502 | - | 2485 | = | 17 | * | (53 | / | 199) | = | 4.52763819 | ||
5 | 91831 | 2533 | - | 2528 | = | 5 | * | (44 | / | 199) | = | 1.10552764 | ||
6 | 91832 | 2566 | - | 2552 | = | 14 | * | (52 | / | 199) | = | 3.65829145 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Proctor Terrace Elementary | 10 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-16 | -21 | -26 | 10 | -53.0 | -10.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 34.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.25
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 | 35% | 25% | 30% | 34% | 34% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Rosa Elementary school district | County of Sonoma
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.
Proctor Terrace Elementary math proficiency
Zero+ meets standard.

28% less $meal

20% less $meal

22% less $meal

26% 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.