Casita Center for Science/Math/Technology (Data source)
Source data for Casita Center for Science/Math/Technology
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 | 2318805 | 2455 | - | 2436 | = | 19 | * | (91 | / | 280) | = | 6.175 | ||
| 4 | 2318808 | 2492 | - | 2485 | = | 7 | * | (98 | / | 280) | = | 2.45 | ||
| 5 | 2318809 | 2538 | - | 2528 | = | 10 | * | (91 | / | 280) | = | 3.25 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Casita Center for Science/Math/Technology | 12 | ||||||||||||
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 | 70966 | 2484 | - | 2436 | = | 48 | * | (98 | / | 297) | = | 15.83838379 | ||
| 4 | 70967 | 2484 | - | 2485 | = | -1 | * | (100 | / | 297) | = | -0.33670034 | ||
| 5 | 70970 | 2506 | - | 2528 | = | -22 | * | (99 | / | 297) | = | -7.33333333 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Casita Center for Science/Math/Technology | 8 | ||||||||||||
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 | 72824 | 2468 | - | 2436 | = | 32 | * | (90 | / | 290) | = | 9.93103446 | ||
| 4 | 72827 | 2504 | - | 2485 | = | 19 | * | (99 | / | 290) | = | 6.48620689 | ||
| 5 | 72829 | 2511 | - | 2528 | = | -17 | * | (101 | / | 290) | = | -5.92068965 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Casita Center for Science/Math/Technology | 10 | ||||||||||||
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 | 72954 | 2477 | - | 2436 | = | 41 | * | (95 | / | 296) | = | 13.15878375 | ||
| 4 | 72955 | 2492 | - | 2485 | = | 7 | * | (101 | / | 296) | = | 2.38851351 | ||
| 5 | 72958 | 2539 | - | 2528 | = | 11 | * | (100 | / | 296) | = | 3.71621621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Casita Center for Science/Math/Technology | 19 | ||||||||||||
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 | 73413 | 2492 | - | 2436 | = | 56 | * | (95 | / | 292) | = | 18.21917804 | ||
| 4 | 73414 | 2528 | - | 2485 | = | 43 | * | (99 | / | 292) | = | 14.57876709 | ||
| 5 | 73415 | 2530 | - | 2528 | = | 2 | * | (98 | / | 292) | = | 0.67123288 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Casita Center for Science/Math/Technology | 33 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 12 | 8 | 10 | 19 | 33 | 82.0 | 16.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 46.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -13.6
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 | 61% | 55% | 55% | 51% | 46% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Vista Unified school district | County of San Diego
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.
Casita Center for Science/Math/Technology math proficiency
Zero+ meets standard.
50% less $meal
45% less $meal
42% less $meal
43% less $meal
38% 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.