Ledesma (Rita) Elementary (Data source)
Source data for Ledesma (Rita) 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 | 2695884 | 2449 | - | 2436 | = | 13 | * | (81 | / | 270) | = | 3.9 | ||
4 | 2695885 | 2488 | - | 2485 | = | 3 | * | (66 | / | 270) | = | 0.73333333 | ||
5 | 2695888 | 2548 | - | 2528 | = | 20 | * | (65 | / | 270) | = | 4.8148148 | ||
6 | 2695889 | 2588 | - | 2552 | = | 36 | * | (58 | / | 270) | = | 7.7333333 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ledesma (Rita) Elementary | 17 |
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 | 82116 | 2466 | - | 2436 | = | 30 | * | (69 | / | 277) | = | 7.47292416 | ||
4 | 82119 | 2490 | - | 2485 | = | 5 | * | (82 | / | 277) | = | 1.4801444 | ||
5 | 82120 | 2560 | - | 2528 | = | 32 | * | (64 | / | 277) | = | 7.39350179 | ||
6 | 82122 | 2572 | - | 2552 | = | 20 | * | (62 | / | 277) | = | 4.47653428 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ledesma (Rita) 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 | 84402 | 2452 | - | 2436 | = | 16 | * | (62 | / | 264) | = | 3.75757574 | ||
4 | 84405 | 2513 | - | 2485 | = | 28 | * | (65 | / | 264) | = | 6.89393939 | ||
5 | 84406 | 2532 | - | 2528 | = | 4 | * | (79 | / | 264) | = | 1.1969697 | ||
6 | 84408 | 2582 | - | 2552 | = | 30 | * | (58 | / | 264) | = | 6.59090907 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ledesma (Rita) Elementary | 18 |
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 | 84621 | 2488 | - | 2436 | = | 52 | * | (62 | / | 259) | = | 12.44787643 | ||
4 | 84622 | 2502 | - | 2485 | = | 17 | * | (59 | / | 259) | = | 3.87258686 | ||
5 | 84625 | 2560 | - | 2528 | = | 32 | * | (63 | / | 259) | = | 7.78378378 | ||
6 | 84626 | 2568 | - | 2552 | = | 16 | * | (75 | / | 259) | = | 4.63320462 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ledesma (Rita) Elementary | 29 |
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 | 85217 | 2459 | - | 2436 | = | 23 | * | (60 | / | 261) | = | 5.28735631 | ||
4 | 85218 | 2530 | - | 2485 | = | 45 | * | (68 | / | 261) | = | 11.72413791 | ||
5 | 85219 | 2548 | - | 2528 | = | 20 | * | (63 | / | 261) | = | 4.8275862 | ||
6 | 85220 | 2594 | - | 2552 | = | 42 | * | (70 | / | 261) | = | 11.26436779 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ledesma (Rita) Elementary | 33 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
17 | 21 | 18 | 29 | 33 | 118.0 | 23.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 44.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 2.6
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 | 23% | 26% | 24% | 25% | 26% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oak Grove Elementary school district County of Santa Clara
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Ledesma (Rita) Elementary math proficiency
Zero+ meets standard.
16% less $meal
21% less $meal
18% less $meal
21% less $meal
22% 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.