Mariano Castro Elementary (Data source)
Source data for Mariano Castro 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 | 2683936 | 2421 | - | 2436 | = | -15 | * | (113 | / | 311) | = | -5.45016077 | ||
| 4 | 2683937 | 2472 | - | 2485 | = | -13 | * | (102 | / | 311) | = | -4.26366559 | ||
| 5 | 2683940 | 2501 | - | 2528 | = | -27 | * | (96 | / | 311) | = | -8.33440514 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mariano Castro Elementary | -18 | ||||||||||||
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 | 81794 | 2426 | - | 2436 | = | -10 | * | (46 | / | 141) | = | -3.26241134 | ||
| 4 | 81796 | 2436 | - | 2485 | = | -49 | * | (53 | / | 141) | = | -18.41843968 | ||
| 5 | 81799 | 2485 | - | 2528 | = | -43 | * | (42 | / | 141) | = | -12.80851062 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mariano Castro Elementary | -34 | ||||||||||||
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 | 84071 | 2451 | - | 2436 | = | 15 | * | (49 | / | 149) | = | 4.9328859 | ||
| 4 | 84072 | 2457 | - | 2485 | = | -28 | * | (48 | / | 149) | = | -9.02013423 | ||
| 5 | 84075 | 2485 | - | 2528 | = | -43 | * | (52 | / | 149) | = | -15.00671138 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mariano Castro Elementary | -19 | ||||||||||||
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 | 84288 | 2420 | - | 2436 | = | -16 | * | (47 | / | 139) | = | -5.41007194 | ||
| 4 | 84291 | 2460 | - | 2485 | = | -25 | * | (48 | / | 139) | = | -8.63309353 | ||
| 5 | 84292 | 2497 | - | 2528 | = | -31 | * | (44 | / | 139) | = | -9.81294962 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mariano Castro 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 | 84902 | 2415 | - | 2436 | = | -21 | * | (52 | / | 155) | = | -7.04516127 | ||
| 4 | 84903 | 2432 | - | 2485 | = | -53 | * | (55 | / | 155) | = | -18.80645158 | ||
| 5 | 84904 | 2498 | - | 2528 | = | -30 | * | (48 | / | 155) | = | -9.29032257 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mariano Castro Elementary | -35 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -18 | -34 | -19 | -24 | -35 | -130.0 | -26.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -50.0
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 | 60% | 82% | 83% | 88% | 85% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Mountain View Whisman 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.
Mariano Castro Elementary math proficiency
Zero+ meets standard.
53% less $meal
72% less $meal
72% less $meal
79% less $meal
75% 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.