Sierra Vista Elementary (Data source)
Source data for Sierra Vista 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 | 1663551 | 2395 | - | 2436 | = | -41 | * | (75 | / | 290) | = | -10.60344825 | ||
4 | 1663554 | 2434 | - | 2485 | = | -51 | * | (78 | / | 290) | = | -13.71724137 | ||
5 | 1663555 | 2479 | - | 2528 | = | -49 | * | (69 | / | 290) | = | -11.65862067 | ||
6 | 1663558 | 2487 | - | 2552 | = | -65 | * | (68 | / | 290) | = | -15.24137927 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sierra Vista Elementary | -51 |
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 | 51928 | 2410 | - | 2436 | = | -26 | * | (56 | / | 289) | = | -5.03806228 | ||
4 | 51930 | 2449 | - | 2485 | = | -36 | * | (77 | / | 289) | = | -9.5916955 | ||
5 | 51932 | 2444 | - | 2528 | = | -84 | * | (86 | / | 289) | = | -24.99653974 | ||
6 | 51934 | 2498 | - | 2552 | = | -54 | * | (70 | / | 289) | = | -13.07958473 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sierra Vista Elementary | -53 |
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 | 53452 | 2409 | - | 2436 | = | -27 | * | (56 | / | 284) | = | -5.32394365 | ||
4 | 53453 | 2460 | - | 2485 | = | -25 | * | (63 | / | 284) | = | -5.54577463 | ||
5 | 53455 | 2456 | - | 2528 | = | -72 | * | (77 | / | 284) | = | -19.52112672 | ||
6 | 53458 | 2459 | - | 2552 | = | -93 | * | (88 | / | 284) | = | -28.81690132 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sierra Vista Elementary | -59 |
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 | 53541 | 2413 | - | 2436 | = | -23 | * | (58 | / | 269) | = | -4.95910779 | ||
4 | 53542 | 2455 | - | 2485 | = | -30 | * | (57 | / | 269) | = | -6.3568773 | ||
5 | 53545 | 2462 | - | 2528 | = | -66 | * | (68 | / | 269) | = | -16.68401486 | ||
6 | 53546 | 2518 | - | 2552 | = | -34 | * | (86 | / | 269) | = | -10.86988847 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sierra Vista Elementary | -39 |
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 | 53776 | 2421 | - | 2436 | = | -15 | * | (60 | / | 241) | = | -3.73443983 | ||
4 | 53777 | 2455 | - | 2485 | = | -30 | * | (54 | / | 241) | = | -6.7219917 | ||
5 | 53778 | 2477 | - | 2528 | = | -51 | * | (60 | / | 241) | = | -12.69709541 | ||
6 | 53779 | 2529 | - | 2552 | = | -23 | * | (67 | / | 241) | = | -6.39419085 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sierra Vista Elementary | -30 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-51 | -53 | -59 | -39 | -30 | -232.0 | -46.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.4
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 | 47% | 48% | 52% | 58% | 57% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco Unified school district | County of Riverside
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.
Sierra Vista Elementary math proficiency
Zero+ meets standard.
41% less $meal
39% less $meal
41% less $meal
51% less $meal
51% 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.