Shannon Ranch Elementary (Data source)
Source data for Shannon Ranch 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 | 3063595 | 2441 | - | 2436 | = | 5 | * | (109 | / | 411) | = | 1.32603406 | ||
4 | 3063598 | 2489 | - | 2485 | = | 4 | * | (106 | / | 411) | = | 1.03163017 | ||
5 | 3063599 | 2500 | - | 2528 | = | -28 | * | (96 | / | 411) | = | -6.54014598 | ||
6 | 3063602 | 2512 | - | 2552 | = | -40 | * | (100 | / | 411) | = | -9.73236008 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Shannon Ranch Elementary | -14 |
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 | 94311 | 2446 | - | 2436 | = | 10 | * | (111 | / | 445) | = | 2.49438202 | ||
4 | 94314 | 2499 | - | 2485 | = | 14 | * | (120 | / | 445) | = | 3.77528089 | ||
5 | 94315 | 2509 | - | 2528 | = | -19 | * | (109 | / | 445) | = | -4.65393258 | ||
6 | 94318 | 2526 | - | 2552 | = | -26 | * | (105 | / | 445) | = | -6.13483146 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Shannon Ranch Elementary | -5 |
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 | 97085 | 2445 | - | 2436 | = | 9 | * | (137 | / | 475) | = | 2.59578947 | ||
4 | 97088 | 2495 | - | 2485 | = | 10 | * | (115 | / | 475) | = | 2.42105263 | ||
5 | 97090 | 2499 | - | 2528 | = | -29 | * | (118 | / | 475) | = | -7.20421051 | ||
6 | 97092 | 2545 | - | 2552 | = | -7 | * | (105 | / | 475) | = | -1.54736842 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Shannon Ranch Elementary | -4 |
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 | 97251 | 2472 | - | 2436 | = | 36 | * | (95 | / | 387) | = | 8.8372093 | ||
4 | 97252 | 2477 | - | 2485 | = | -8 | * | (101 | / | 387) | = | -2.0878553 | ||
5 | 97255 | 2494 | - | 2528 | = | -34 | * | (87 | / | 387) | = | -7.64341083 | ||
6 | 97256 | 2546 | - | 2552 | = | -6 | * | (104 | / | 387) | = | -1.6124031 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Shannon Ranch Elementary | -3 |
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 | 97915 | 2444 | - | 2436 | = | 8 | * | (110 | / | 392) | = | 2.24489795 | ||
4 | 97916 | 2512 | - | 2485 | = | 27 | * | (99 | / | 392) | = | 6.81887754 | ||
5 | 97917 | 2492 | - | 2528 | = | -36 | * | (94 | / | 392) | = | -8.63265305 | ||
6 | 97918 | 2554 | - | 2552 | = | 2 | * | (89 | / | 392) | = | 0.45408163 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Shannon Ranch Elementary | 1 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-14 | -5 | -4 | -3 | 1 | -25.0 | -5.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -20.0
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 | 40% | 41% | 38% | 39% | 40% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Visalia Unified school district | County of Tulare
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.
Shannon Ranch Elementary math proficiency
Zero+ meets standard.
29% less $meal
34% less $meal
28% less $meal
28% less $meal
33% 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.